This easy to use scissor jack is the answer for raising bikes and ATV’s. Lift front or rear of bikes on flat deck lifts, add a post adapter kit (37-9888) for even more versatility. UPS shippable. NOTE: Do not use air/impact guns to raise and lower the MC450 Minimum Height: 3-1/2”, Maximum Height: 13”(330mm). Base Width: 14”(355mm) Dimensions: 16”(405mm) Length x 5-1/2”(135mm) Width.