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.

These parts will often ship directly from the manufacturer.  Availability is determined by the manufacturer's stock.  Prior to finalizing your order, the actual availability and lead time on your parts will be confirmed and you will be contacted if there are delays beyond 3 weeks in shipping.  

This is the list of parts, though not all are available for immediate shipment at any given time: 

Cable set (Brent Part 22256A)

Top Canvas (Brent Part 22150P)

Handle Round (Brent Part 22353X)

1/4 Shim with Top Canvas (Brent part 22527R)

Shim 1/8" (Brent Part 22526P)

3/4" Bed (Brent part 22525N)