VEVOR 10 Pairs of 21 Inch Drawer Bottom Side Mount Rails, Heavy Duty Full Ball Bearing Extension Steel Track, Soft-Close Noiseless Guide Glides Cabinet Kitchen Runners with Locking Mechanism, 100 Lbs

VEVOR 10 Pairs of 21 Inch Drawer Bottom Side Mount Rails, Heavy Duty Full Ball Bearing Extension Steel Track, Soft-Close Noiseless Guide Glides Cabinet Kitchen Runners with Locking Mechanism, 100 LbsOutstanding Load CapacitySilent Opening and ClosingMultiple Size OptionsEasy InstallationCompact DesignThickened MaterialFits Drawer Length: 21 inch / 533.4 mm,Model: 30201B.533-10,Static Load Bearing: 100 lbs / 45.4 kg,Dynamic Load Bearing: 80 lbs / 36.3 kg,Quantity: 10pcs,Product Dimensions: 21.54 x 2.4 x 2.13 inch /547 x 61 x 54mm,Main Material: Carbon Steel