The C-938 Series slide is designed for compression loading only and must be disconnected to mount chassis section. No locking features are available with this slide. The load capacity ranges from 85 to 400 lbs. Bottom Mount Slides are heavy duty and space saving. They are constructed of a heavy gauge, cold-rolled or stainless steel coupled with stainless steel rollers. Bottom mount slides are the best choice for a variety of weight-load applications in the electronics, aerospace, heavy equipment, emergency vehicle, and transportation industries. These slides are great for when space is at a premium aboard ships, in control rooms, in mobile broadcast and are designed to handle compression loads up to 1,200 lbs. per slide.