Tonsiki 13PCS Impact Bolt & Nut Remover Set Bolt Nut Extractor Socket Tool for 3/8 Drive

1. PREMIUM CrMo STEEL: Each socket is made from high-density chromoly steel for superior strength and durability under even punishing use black surface treatment for anti-rust and anti-corrosion function. 2. METRIC & SAE SIZES: This extractor tool set includes both metric and SAE socket in the most commonly needed sizes; All clearly marked on each socket: 1/4 (6.35mm) 5/16 (8mm) 3/8 (9.5mm) 10mm 7/16 (11mm) 12mm 1/2 (12.7mm) 13mm 9/16 (14mm) 5/8 (16mm) 17mm 11/16 (17.5mm) 3/4 (19mm). 3. 3/8 DRIVE: Our nut and bolt extraction tools easily pry off rusted stripped and frozen fasteners working with manual and power tools with 3/8 drives including impact wrenches air ratchets and breaker bars. 4. 6-POINT SPIRAL GRIP: Each part of this socket set for stubborn nut removal has six points of contact and an interior spiraling design to offer maximum grip and torque as you pry off damaged corroded and coated nuts bolts lugs studs hex screws and more. 5. PERFECT DESIGN: All the bolt extractors are precision engineered to easily extract damaged bolts nuts and screws even if they are stripped rusted or frozen.