The BRDE gas block drilling jig O is used to drill Odin Gas Block 0.750" bore gas blocks and the newer Odin adjustable without the flat side, for pinning.
Cold rolled carbon steel
Waterjet, manual machined and hand fit opening
Manganese Phosphate finish
#31 hardened drill bushing
Includes 1/4"-28tpi x 3/8" soft point set screw
Includes one #31 cobalt jobber drill bit and 1/8" hex key