Klein Tools 3257 1-1/16" Standard Bull PinKlein Tools 3257 1-1/16" Standard Bull Pin Features: Machined from quality alloy steel Standard design offers greater initial economy, but no added protection against mushrooming Heat-treated for strength Black finish for rust resistance.Klein Tools 3257 1-1/16" Standard Bull Pin Specifications: Length: 12" (305) Point Diameter: 1-1/16" (27) Top Diameter: 1-3/16" (30) Weight (lbs.): 1.70