Ideal for making square box joints and building a box joint jig. Features Premium TiCo hi-density carbide crosscutting blend for maximum performance. Silver I.C.E. coating prevents build up on the blade surface and keeps the blade running cooler and cleaner. Anti-kickback improves safety of cut. Laser cut bodies for accurate cuts. Cuts 1/4 In. and 3/8 In. grooves. Set includes (2) 8 In. blades, instructions, and case.