Delta 17-911 1/2" x 1/2" Mortising Chisel and Bit This high-quality chisel and bit set will fit the Delta 14-650 Hollow Chisel Mortiser and the 17-935 and 17-924 Mortising Attachments. Constructed from select steel, they maintain their sharpness longer than standard bits. The center drill removes a majority of the material while the hollow chisel squares off the corners of the hole. Includes one chisel and one bit per set. 1/2-inch capacity for creating 1/2-inch wide mortises Select Steel for long-lasting sharpness--Made in Austria Fits Delta 14-650 Hollow Chisel Mortiser, 17-935 and 17-924 Mortising Attachments for versatility 115/220 volt and 56 frame motors |