Gas Cut-Off Saws MultiPurpose Tools Side Winder gas cut-off saws are designed for concrete and masonry cutting applications. They also can be used to cut through piping and ceramics, the maker says. Both models feature 12 and 14-in. blade capacities and are powered by EPA-approved two-cycle gasoline engines. Additional features include an infinitely adjustable blade guard, reversible cutting arm for close-in cutting and a sturdy roller bar assembly. Multiquip: 800/421-1244; www.multiquip.com