The Stiletto TBS-R is a 4 oz replacement smooth hammer face for TBII-15 model hammers. The replacement hammer face has a durable steel smooth face for trim and finished visible woodwork. The replacement kit contains a replacement steel face, bolt, hex key, lock-washer, Loctite bottle, instructions and leather washer part (for older t-bones). The TBS-R replacement face is made of heat treated high-carbon steel for long service life.Features Kit contains instructions, bolt, hex key, lock washer and Loctite bottle 3/8 in. lock washer Extends the life of your TiBone model hammers 7/32 in. x 6 in. allen hex key Black allow 3/8 in.-24 hardened bolt Kit also contains leather washer for older TiBone models only Heat treated high-carbon steel for long service life Specifications Face Type: Smooth Head Material: High-carbon Steel Non-Marring: No Weight of Head (oz): 4 Color / Finish: Silver Country of Origin: Taiwan