A tool assembly includes an elongated handle and a locking system for attaching a tool head to the handle. The tool head can be a floor care tool or other accessory that can be attached to the handle such that the elongated length of the handle can aid in the use of the tool attached. The locking system includes a keyed locking collar for engaging at least a first portion of the tool head, and a locking cap rotatably positioned on the handle for engaging a second portion of the tool head. The handle can be extendable, such as by telescoping, and can also be overmolded.

A handle for a personal care implement includes a connector for repeatedly attaching and detaching a head to and from the handle, the handle having a core structure, the core structure and the connector being unitarily made to form a core-connector unit, and a second component at least partially covering the core structure, wherein a circular collar is unitarily formed with the core-connector unit between the connector and core structure.

A handle for a saw includes a handle portion and a clamp. The handle portion and/or the clamp includes one or more locating members for locating with one or more corresponding cut-outs in a saw blade. The clamp is arranged for clamping the blade against the handle portion. Further provided are a saw comprising the handle, a saw blade and a saw system.

A handle for a saw includes a handle portion and a clamp. The handle portion and/or the clamp includes one or more locating members for locating with one or more corresponding cut-outs in a saw blade. The clamp is arranged for clamping the blade against the handle portion. Further provided are a saw comprising the handle, a saw blade and a saw system.