A bracket and standard assembly comprises a standard having a plurality of spaced apart holes. A bracket comprises a support body having an elongated portion extending along a longitudinal axis. A connector end comprises at least one hook projecting rearwardly from the support body and passing through a hole in the standard to releasably hook the bracket to the standard, the at least one hook comprising a downwardly projecting tooth, the at least one hook defining with the support body a receptacle, a portion of the receptacle being delimited by a forwardly oriented contact edge of the tooth, the receptacle receiving one of wall portions of the standard. A finger projects generally upwardly from the at least one hook and having a forwardly oriented contact edge, the forwardly oriented contact edge of the finger being rearward of the forwardly oriented contact edge of the corresponding tooth along the longitudinal axis.

A support system for mounting a shelf to cabinet walls having vertical slots therein. The support system comprises rack rails to insert in the slots, each one of the rack rails comprises a series of upwardly arched channels. The support system further comprises mounting components to mount to the rack rails at similar heights, each one of the mounting components comprising a support face for supporting the shelf, an arched arm to be inserted in the arched channel, and an abutting face to contact one of 1the rack rails to be mounted thereto and 2one of the cabinet walls to be mounted thereto through one of the rack rails thereby limiting course of the arched arm in the arched channel. Once the mounting components are mounted to the rack rails, the mounted components provide support faces to set down the shelf thereon.