L-BOX® Type-1. Manufactured from 14-gauge mild steel. Self-grounding mounting angles made of 12-gauge plated steel. Bonding provision on door. Ground stud on body. Spring-loaded, self-retained hinge pins allow door removal. 120° door opening. Quarter-turn latches with key lock. One set of fixed rack angles is included on 24 and 36 inch tall models and two on 48 inch tall models. Rack angles on 36 inch models can be positioned either at the top or the bottom of the cabinet. 36 and 48 inch tall models have space for patch panel or shelf brackets. Knockouts for 4 inch fan on top and bottom of cabinet. Wiring knockouts (7/8, 1-3/8 and 3 inch) on top and bottom of cabinet. Two 3-inch cable entry knockouts on back. Multiple cable tie-down points on back of cabinet. Keyhole mounting slots spaced 16 inch (406 mm) on center for easy cabinet mounting.