... 4:2,000,000pairs/month 5:Passed ISO9001:2000 3 fold Full Extension Cabinet Ball bearing slide drawer rail1.Feature ball ... salt spray, RoHS applicationThe size below just for ref.: 3 fold product model sizeClosed LengthSlide TravelHole Pattem(unit:mm)L1LABCDEFGJKFEY2-10 ... details please refer to our website http://szfey.com/ 3 fold Full Extension Cabinet Ball Bearing slide drawer rail