A handle assembly for a surgical tool including a handle having a distal end, and a first retaining mechanism attached to the distal end of the handle. The retaining mechanism includes a first retaining housing having a first central cavity for receiving a surgical tool, and a first locking mechanism moveable between first and second positions relative to the housing, the locking mechanism including a through hole for receiving the surgical tool. The handle assembly further includes a second retaining mechanism attached to a proximal end of the handle. The second retaining mechanism includes a second retaining housing having a second central cavity for receiving a handle extension, and a second locking mechanism moveable between first and second positions relative to the second retaining housing, the second locking mechanism having a through hole for receiving the handle extension.

A handle assembly for a surgical tool including a handle having a distal end, and a first retaining mechanism attached to the distal end of the handle. The retaining mechanism includes a first retaining housing having a first central cavity for receiving a surgical tool, and a first locking mechanism moveable between first and second positions relative to the housing, the locking mechanism including a through hole for receiving the surgical tool. The handle assembly further includes a second retaining mechanism attached to a proximal end of the handle. The second retaining mechanism includes a second retaining housing having a second central cavity for receiving a handle extension, and a second locking mechanism moveable between first and second positions relative to the second retaining housing, the second locking mechanism having a through hole for receiving the handle extension.

A histology radius blade grossing knife is provided. The histology radius blade grossing knife has a blade mounting system adapted to operatively retain a histology radius trimming blade. The blade mounting system provides a retaining spine for engaging an upper edge of the trimming blade, wherein a rear portion of the retaining spine is securely sandwiched by retaining plates of the blade mounting system. Furthermore, the trimming blade provides notches and/or recesses for facilitating such operative association. Each histology radius trimming blade embodies a radiused or otherwise uniquely shaped heel for cutting and dissecting tissue

A tool head clamping system allows for the interchangeability of various cleaning tool head accessories. These accessories are connected by a clip assembly to a mop handle or like elongated hand tool handle. The system utilizes a novel male clip member to female clip member connection, with the female clip member located on the end of the elongated tool handle, and a tool head accessory consisting of the male clip member configured to have a variety of cleaning elements.

A tool head clamping system allows for the interchangeability of various cleaning tool head accessories. These accessories are connected by a clip assembly to a mop handle or like elongated hand tool handle. The system utilizes a novel male clip member to female clip member connection, with the female clip member located on the end of the elongated tool handle, and a tool head accessory consisting of the male clip member configured to have a variety of cleaning elements.

A tile scraper structure contains: a handle and a blade module. The handle includes a grip portion, a connection segment, an accommodation cavity, a slidable switch having a pull lever, and a positioning element which has a fixing loop and a protrusion. The connection segment has a polygonal orifice and a slot. The blade module includes a blade and a locating seat accommodated in the polygonal orifice. The locating seat has a notch configured to engage with the protrusion. The handle further includes a spring received in the accommodation cavity and abutting against the slidable switch, such that the slidable switch actuates the positioning element so that the spring urges the protrusion to engage with the notch.

A tile scraper structure contains: a handle and a blade module. The handle includes a grip portion, a connection segment, an accommodation cavity, a slidable switch having a pull lever, and a positioning element which has a fixing loop and a protrusion. The connection segment has a polygonal orifice and a slot. The blade module includes a blade and a locating seat accommodated in the polygonal orifice. The locating seat has a notch configured to engage with the protrusion. The handle further includes a spring received in the accommodation cavity and abutting against the slidable switch, such that the slidable switch actuates the positioning element so that the spring urges the protrusion to engage with the notch.

A quick-release screwdriver structure includes a tool holder and a tool head embedded in a head portion of the tool holder. A fixing seat is sleeved outside the tool head; an inner wall of the fixing seat is provided with a notch, and a bottom surface of the notch is an inclined surface; a steel ball connected to a release ring is installed in the notch, and the steel ball contacts the tool head; and a movement of the release ring will drive the steel ball to move along a longitudinal direction of the bottom surface of the notch so as to lock or release the tool head. A new locking assembly is designed to act on a surface of the tool head so as to achieve locking and disassembly of the tool head.

A quick-release screwdriver structure includes a tool holder and a tool head embedded in a head portion of the tool holder. A fixing seat is sleeved outside the tool head; an inner wall of the fixing seat is provided with a notch, and a bottom surface of the notch is an inclined surface; a steel ball connected to a release ring is installed in the notch, and the steel ball contacts the tool head; and a movement of the release ring will drive the steel ball to move along a longitudinal direction of the bottom surface of the notch so as to lock or release the tool head. A new locking assembly is designed to act on a surface of the tool head so as to achieve locking and disassembly of the tool head.

The ‘Paint Pot Pro’ is a paint-pot/kettle (FIGS.-1,6-9,15), and a manually detachable/attachable multi-use tool-handle (FIGS.-5,12-15). The paint-pot/kettle component of the ‘Paint Pot Pro’ holds substances, such as paint, for the use of brush and/or mini-roller, and comprises of recommended 1,000 ml volume-capacity. The paint-pot/kettle component of the ‘Paint Pot Pro’ includes: angled/magnetised brush-rest (Lables-1,2; FIG.- 15); wiping-blade (Lable-3); mini-roller-glide (Lable-5); mini-roller-holder (Lable-6); belt-clip/loops (Lables-7,8; FIG.-15); removable/replaceable plastic pot-liners to line the internal of the paint-pot/kettle (Lable-9); ergonomically-designed plastic handle (referred to as the multi-use tool-handle) (Label-4; FIGS.-13-15); and male component of the manual-locking system (Lable-10) to attach/detach the multi-use tool-handle (FIGS.-5,12-14) from the paint-pot/kettle (FIGS.-1,6-9,15). The multi-use tool-handle has multi-use functions including: mallet to close paint tins (Lable-14), paint tin openers (Lables-11,12), mini-roller cleaning-aid (Lable-13), shark-tooth brush cleaning-aid (Lable-17), scraping blade (Lable-15), beer bottle opener (Lable-18), female component of the female-to-male locking-system (Lable-16) designed to attach the multi-use tool-handle (FIGS.-5,12-15) to pot/kettle (FIGS.-1,6-9,15).