Overview Product Description 3/8-Inch Replacement drill bit for Mortise Chisel. Mortise Bit, Construction: Forged and Heat Treated Steel, Dia. (In.): 3/8, Shank Size (In.): 5/8, Overall Length (In.): 5-1/2, Package Quantity: 1. Product Videos Custom Field Product Reviews Write a Review Write a Review × FISCH Fisch FSG-096085 Mortise Bit, 3/8-Inch Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *