ATD 827 Mechanic's Pliers Set, 7-Piece 'Tools'] The 3/4-inch square anvil is

The 3/4-inch square anvil is more resistant to long term fatigue than a 1/2-inch anvil

From the ManufacturerThe CP7150 Heavy Duty Air Hammer has a longer piston strokes for more force per blow

The product is 64540 SPRING

41497 Diehead

3/4" Drawstud (29452)

ATD 827 Mechanic's Pliers Set, 7-Piece 'Tools'] The 3/4-inch square anvil isHeat treated drop forged corrosion resistant steel for strength and durability Precision machined jaws prevent slipping on work piece Comfort grip handles reduce hand fatigue and slippage Country of Origin : ChinaThis 7 piece mechanic's pliers set has comfort grip handles that reduce hand fatigue and slippage. The precision machined jaws prevent slipping on the work piece. This set includes 6 Inch needle nose pliers with side cutter, 8 Inch HD