9/16 x 6 Reduced Shank Drill Bit (1/2 Shank)

1 1/8-12 x 3 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (16)

1 1/2-8 A194 2H Heavy Hex Nut Zinc

3/4-16 x 6 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

and the jaws open to a lock position when the screw is inserted

1/2 x 10 Powers Wedge-Bit™ Spline 1/2 Dowel Pins Alloy Steel 9/16 x 6 Reduced ShankThe Powers Wedge Bit Spline is a reliable, high quality 1 2 x 10 spline bit ideal for any job that requires drilling fast and efficient holes. It is made of durable steel with sharp cutting edges, allowing for improved accuracy and precision while drilling. The spline is designed to be corner to corner strong, providing strong gripping power for these 1 2 inch bits.