Mounting - Side mount.Side Clearance - 3/4" (19.3 mm) plus 1/64".Height - 3.04" (77.22 mm).Loading - 400 lbs based on side mount, and drawer dimension W40" x 18", guaranteed 10000 cycles, double-folded inner and intermediate member.Size - 16"Feature - Extra heavy load , extremely silent movement. Silencing bumpers.Finish - Zinc plating.Packing - 5 pairs based on 18".Option - Black zinc plating.