7/8" HSS Hex Shank Bridge Reamer BoltsandNuts.com The end of the adapter

The end of the adapter has a spring-loaded pin detent that locks into the through hole on a socket

Metric A4-70 Stainless Steel Flat Socket Screws

Internal Diameter: 3/4"-10

while the interior is protected against rust with clear coat

Part Number: 56C400HCSL9Y

7/8" HSS Hex Shank Bridge Reamer BoltsandNuts.com The end of the adapterProduct Description Also called Construction Reamers, Bridge Reamers are used to align existing holes prior to bolt or rivet installation. The point is tapered to permit entry into overlapping holes. It's short length facilitates use in areas with limited access. Heavy duty hex shank designed for portable pneumatic tools Brand Drill America Part Number DWRRB7 8HEX Size 7 8" Material High Speed Steel Finish Black and Bright Style Bridge Reamer Shank