heavy duty self-closing ball bearing slide 1)soft closing,self closing 2)moving silent smoothly 3)zinc plated 4)MOQ:1000sets heavy duty self-closing ball bearing slide 1.Length:300mm,350mm,400mm,450mm,500mm,550mm,600mm2.Material:Steel3.Finish:Zinc plated, Black4.Thickness:1.2*1.2*1.5mm5. Load capacity:35KG6.Packing:1pair/polybag,15pairs/carton7.Delivery:15days after confirmation8.Payment:30% ...