Greenteeth 2-1/4" LoPro Bolt, Fits 3/4" Wheels is specifically engineered to fit 3/4" thick cutter wheels and deliver maximum performance for LoPro pockets. These upgraded bolts feature a larger surface area drive head, which improves holding strength, along with a smooth shank that enhances bolt durability. They also include an extraction dimple designed for easy removal of broken bolts using a 1/4" drill bit. Unlike standard allen bolts, LoPro bolts should be torqued to 180–240 ft-lbs with a 1/2" torque wrench for optimal performance. Proper installation requires the bolt to be recessed 1/8" to 1/4" from the outer edge of the LoPro pocket. This bolt is i for professional stump grinding applications. Model Number: LP-214