21mm 1/2" Drive Impact Twist Socket - Professional Lug Nut Remover for Damaged, Rusted & Stripped Nuts - Spiral Flute Design with Maximum Grip Power SPECIALIZED 21MM FOR LARGER VEHICLES - Perfect for trucks, SUVs, and larger vehicles that commonly use 21mm lug nuts. This professional-grade twist socket specializes in removing damaged, rusted, and stripped fasteners that defeat standard sockets on heavy-duty applications. HEAVY-DUTY IMPACT CONSTRUCTION - Crafted from premium chrome molybdenum steel to withstand extreme torque from impact wrenches and breaker bars. The reinforced construction prevents cracking or deformation, ensuring reliable performance through years of professional use. NO-SLIP DESIGN SAVES TIME & MONEY - Solves the problem of removing stripped lug nuts while ordinary sockets fail. The spiral threads create a mechanical lock that tightens its grip as you apply more torque, preventing costly repairs and service calls for what should be simple tire changes. UNIVERSAL 1/2" DRIVE COMPATIBILITY - Works seamlessly with all your 1/2" drive tools - impact wrenches, ratchets, and breaker bars. Essential for professional shops, fleet maintenance, and roadside emergencies involving larger vehicles with damaged lug nuts. Professional Solution for Heavy-Duty Lug Nut Problems Superior Grip Technology for the Toughest Jobs This 21mm 1/2" drive twist socket represents the ultimate solution for removing damaged, rusted, and stripped lug nuts on larger vehicles. Engineered with innovative spiral flute technology, this professional-grade tool bites into damaged fasteners where standard sockets fail completely. Why This Socket Works When Others Fail: The internal spiral threads feature sharp-edged design that actively digs into damaged nut surfaces. Unlike conventional sockets that slip and round nuts further, our twist socket creates a progressive bite that strengthens with increased torque. This mechanical locking action makes it ideal for the most challenging removal situations. Technical Excellence: Progressive spiral bite mechanism for maximum grip Precision sharp edges that bite rather than slide Impact-ready chrome molybdenum steel construction Optimized 21mm size for trucks and larger vehicles Corrosion-resistant black oxide finish Universal 1/2" drive compatibility Perfect Applications: Truck and SUV lug nut removal Heavy-duty fleet maintenance Rusted and frozen lug nut extraction Emergency roadside repairs Professional automotive shops Agricultural and construction equipment