Nüvo drawer slides (sold in pair) model 56.12AF Full extension drawer slide with integrated soft-close mechanism 32mm hole pattern with breathing tabs Positive stop for fully extended drawer Side clearance: ½“ (12.7mm) plus 1/32” Hold-in feature to prevent bounce back Open access design for easy cabinet installation Steel ball bearing movement Lever disconnect for easy drawer removal 34 kg (75 bs) load rating Finish-Anochrome (ANO) 50,000 cycles test certified 400 mm (16")