A versatile slab roller, the SR-20 is perfect for studio use or in an advanced school or university clay program. Designed with a large surface area, this slab roller allows for the creation of expansive clay slabs, perfect for group projects and larger artistic endeavors. FIRST CHOICE in Schools or Studios! Large surface that is great for larger artwork and production. Constructed of heavy gauge steel pipe and plate. Sealed bearings and aircraft-quality cables. Industrial framing to conceal and protect cables. ALL brent® SLAB ROLLERS HAVE A 1-YEAR WARRANTY. The SR-20 is a mid-sized floor model that can produce slabs up to 20"W x 52"L. Slab thickness may be changed by adding and removing shims. The SR-20 includes one 1/4" shim with canvas and one 1/8" plain shim. Maximum slab thickness is 1 1/2". Assembled dimensions: 34"W x 76"L x 40"H. Shims, canvas, cables for the Brent SR-20 slab roller are also for the AMACO T-2 model slab roller.