Wedge jack provides the most rigid support after adjustment. Jack has mating parts with spherical seats that allow automatic adjustment for up to 7 degrees of transverse compensation for uneven floors. The wedges move readily in response to turning the adjustment bolts. Jack is furnished with 1/2″ thick oil resistant pads underneath to provide friction and vibration isolation. Economical two piece jacks have no provision for bolting. Equipment moves front to back during adjustment. Max load 3000 lbs. 6″l x 3-1/2″w x 1-5/8″h overall dimensions.