Gearwrench 30pc SAE & Metric Bolt Biter Impact Extractor Insert Set w/Case 86193. 1/4 in, 1/4 in, -7 mm, 7 mm, -8 mm (-5/16 in), 8 mm 5/16 in, -3/8 in 3/8 in, -10 mm 10 mm. 11 mm (-7/16 in), 11 mm (7/16 in), -12 mm, 12 mm, -1/2 in, 1/2 in, 13 mm, -14 mm, 14 mm (-9/16 in). 9/16 in, -15mm, 15 mm, -16 mm (-5/8 in), 16 mm (5/8 in), -17 mm, 17mm, -11/16 in, 11/16 in. 19 mm (-3/4 in), 19 mm (3/4 in). Bi-directional design for removing or tightening damaged fasteners. Tapered entry enables insert to easily seat on a damaged fastener. Designed to work with a static, ratcheting, or open-end wrench for ultimate versatility. Hex base compatible with 6-point, 12 point and spline wrenches. Ultra-thin design, 70% thinner than traditional extraction tools. Magnetic retention system for secure fit inside of wrench. High-visibility laser etched markings provide quick size identification. Check out my other items. Be sure to add me to your favorites list. I check my emails often! All Power Tools and chargers come with a Standard 120V US Electrical Plug. Thanks, Nate’s Tools and More. Warning: This product can expose you to or may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.