Triple Sliders Construction with Smooth Dual set Ball Bearings Zinc plated 18 Gauge Construction Weight Rating with 100 lbs with Easy Release Mechanism 12" Full Extension Ball Bearing Drawer slides $3.50 14" Full Extension Ball Bearing Drawer slides $4.20 16" Full Extension Ball Bearing Drawer slides $4.80 18" Full Extension Ball Bearing Drawer slides $5.80 20" Full Extension Ball Bearing Drawer slides $6.80 22" Full Extension Ball Bearing Drawer slides $7.50