... 75mm 3.various size design 4.material:steel car seat slider is used on the seat in the auto, forklift,construction equipment, tractor ... made according to customer requiremrent, 1, Flat moving from the front to the rear 2,Upper track length 70mm 3,Down ... 75mm 4,Unlock 5, Can be mounted on the seat of truck, car,excavator,etc 6,Installation dimension, various size design car seat slider