Ball Bearing Drawer Slide 3 fold ball bearing slide Features:heavy duty load slide,full extension+15mm,32mm Holes,inseparable Ball Bearing Drawer slide3 fold ball bearing slideFeatures:heavy load slide,full extension+15mm,32mm Holes,inseparableRated load:75kg/450mm(18")Surfaca treatment:alvannizing blue zinc,black1set/poybag;4sets/contenlength:350mm~550mmwidth:45mm Ball Bearing Drawer Slide