Standard .498 turn type parker shank for air guns.Fully hardened and tempered shock resistant tool steel.Black oxide finish to prevent corrosion.Set Includes the following:HD Cold Chisel 7/8" x 7-1/2", HD Rivet Buster 3/4" x 7-1/2", HD Hammer 1-1/4 x 4-1/4", HD Taper Punch 3/16" x 7-1/2".All in an anti-slip storage pouch.Made in the USA.Mayhew 4-PC HEAVY-DUTY PNEU TOOL SET .498 ShankSKU: 37326$109.00PriceQuantity*Add to Cart