This 8 in heavy-duty post hole auger bit is listed in new open-box condition and includes free shipping. The title notes a 1/2 shear pin and 1-1/4 thread universal setup, which may help buyers looking to match an auger bit to compatible post hole digging equipment. As a NOS item, it may appeal to buyers who want unused older stock rather than a heavily used part. The 8 in size can be a useful buying note when comparing hole diameter needs for fencing, posts, or similar ground work. Check the listing for full details, including compatibility and any included hardware. 8 in Heavy-Duty Post Hole Auger Bit 1/2 Shear Pin 1-1/4 Thread Universal NOS. Condition: New – Open box. Listed at 249.99 USD. Based on the horsepower and construction typically associated with a heavy-duty auger that uses a1/2" shear pin (rather than a light-duty 3/8" pin), this auger is compatible with diggers designed for.