Check the listing for details. AJAX Tools 9034 Exhaust System Chisel Set, 4 Pieces. Condition: New. Listed at 115.53 USD. AJAX Tools 9034 Exhaust System Chisel Set, 4 Pieces The AJAX Tools 9034 Exhaust System Chisel Set is a must-have for any mechanic or DIYer who works on exhaust systems. This four-piece set includes a variety of chisels that are perfect for cutting, chipping, and prying away rust and corrosion. The chisels are made from high-quality alloy steel and are heat-treated to ensure durability. They also have a 401 turn-type shank that makes them compatible with most pneumatic hammers. Whether youre a professional mechanic or just a weekend warrior, the AJAX Tools 9034 Exhaust System Chisel Set is a great addition to your toolkit. .401 Turn Type Shank; Four Piece Exhaust System Chisel Set (includes 908, 932, 933 & 934) Specifications Shank Length: 1-3/4 in (44.5 mm) Shank Size: 0.401 in (10.2 mm) Collar Size: 3/4 in (19.1 mm) Body Size: 1/2 in (12.7 mm) Product Weight: 1.700 lbs (0.8 kg) Product Type: Chisel Sets