Hardware Resources HR MAX 225 lb Extra Heavy Duty Full Extension Side Mount Ball Bearing Slides with 1" OvertravelHR Max = Quality backed by Lifetime warranty 1" overtravel slide Grade 1 ANSI BHMA certified with 225 lb. load rating Synthetic rubber hold in detent prevents bounce back and roll out Lubricated steel ball bearings Features: 3 4" side spacing Lubricated steel ball bearings Non handed trigger disconnect release 54 mm profile height 2. 2 mm x 2. 0 mm x 2. 0 mm cold rolled steel material Clear zinc electroplated finish 6. 3 mm euro screw or #8 x 7 16"