Slide locks into open position. A lever or button on each side releases the lock. Load rating is based on 10,000 cycles of a 16"W drawer. Drawer can be removed from slides with the push of a lever. Slides have the narrowest side space requirements of all Steel Lock-Open Drawer Slides and is for installations where space must be maximized. Mounting screws are included.Specification: Item: Drawer Slide Closure Type: Soft Close Mounting Type: Rail Mount Glide Mechanism: Ball Bearing Finish: Zinc Plated Extension Type: Full Disconnect Method: Handed Rail Lift-Off Closed Length: 8" Travel Length: 8" Side Mount Load Cap. per Pair: 75 lb. Load Capacity: 75 lb. Side Space: 1/2" Extended Length: 16" Detent Type: Hold-In Material: Steel Color: Silver Hardware: Not Included Height: 1-13/16" Width: 1/2" Screw Size: #8 Screw Type: Truss Head"