Delta 17-005 includes one chisel and bit set for these sizes: 1/4 in., 5/16 in., 3/8 in., 1/2 in. All are packaged in a convenient aluminum storage case. These high quality bearing steel bit and chisels will provide extended life and accurate cuts. Bits are made of high-quality steel and resist overheating in heavy use.

• Mortise and ten on joints are exceedingly strong joints which also enhance the perception of the quality craftsmanship that went into creating the work piece
• Easily and efficiently machine-cut mortises for a more accurate and cleaner cut to exactly fit your tenon
• Designed with a 5/8 in. shank to fit Delta products; also fits most brands of mortise’s and drill press attachments
• Chisels are made with bearing quality steel and are finely sharpened for a clean, consistent cut from one end of the tenon to the other, durable to last longer
• Bit and chisel have close tolerances between them ensuring chips are efficiently removed from the cut without jamming and heating up the bit providing extended bit set life