【Great Compatibility】The bolts fits for olympic, curl, tricep and dumbbell bars. Suitable for dumbbell Olympic weightlifting, overhead press, deadlift, bench press or other exercise using a 2-inch Olympic barbell. 【Secure Assembly】The hex bolts are designed to fasten different components of weightlifting bars together securely. prevent plates from slipping off during lifts or exercises. 【Ease of Use】The 12mm Hex Allen L-Wrench provides a comfortable grip and precise torque application. It fits the hex bolts perfectly, enabling quick and efficient tightening or removal.