VEVOR 6 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 6 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.533-6,Static Load Bearing: 100 lbs / 45.4 kg,Dynamic Load Bearing: 80 lbs / 36.3 kg,Quantity: 6pcs,Product Dimensions: 21.54 x 2.4 x 2.13 inch / 547 X 61 X 54mm,Main Material: Carbon Steel