The Brent SR-20 Slab Roller, designed for efficiency and ease of use, is a rugged workhorse that will stand up to anything your students roll its way. Featuring heavy-duty steel pipe construction, the SR-20 is a mid-sized floor model that can produce slabs up to 20"W × 52"L. It includes one 1/4" shim with canvas and one 1/8" plain shim. The maximum slab thickness that can be produced is 1-1/2" thick. A circular handle moves the roller through a double cable system, with cast iron mounted ball bearings for complete rigidity. Convenient canvas-covered boards make the picking up of rolled slabs easy. When assembled, the Brent SR-20 Slab Roller measures 34"W × 76"L × 40"H. It has a shipping weight of 487 lb.