Proflow heavy-duty engine cradles will store, transport, and allow you to work more conveniently on your engines. Manufactured from 14-gauge, 1 in. square tubing, these cradles are given a black powdercoated finish to ward off rust and corrosion. The cradles include Grade 5 fasteners and 5" Heavy Duty Wheels with 1/2 in. studs.Simply disassemble and store the cradles to free up floor space in your garage or shop. Make things easier with Proflow's heavy-duty engine cradles standard equipment in your workshop.