1:ball bearing drawer slides 2:Bottom/side mounted 3:Galvanize,cold roller 4:2,000,000pairs/month 5:Passed ISO9001:2000 Full Extension Silent ball bearing drawer slides 1. ball bearing slideslide, drawer slide, soft closing drawer slide, auto closing drawer slide. 1.Pass life test more than 75,000 cycles .2.Pass salt spray test more than 48 hours.3.material : cold roll steel.4.Installation gap:12 ...