? The Drixet Universal 4Pc Flip Impact Socket Adapter with Extender Kit covers the 6 most common Tire/Wheel Lug Nuts & Axle Lock Sizes used on American/Import vehicles, and is color coded thereby making changing or repairing a Tire with your impact wrench a breeze. ? SPECS: Square Drive Size: 1.5 Inch - 6 Hex Socket Sizes: •'Red' 17mm & 19mm, •'Blue' 3/4" & 13/16", •'Yellow' 21mm & 7/8" - Shaft Depths: 1-1/8" - Extension Bar: 1/2-Inch Drive, 3" Length - Weight: 1.8 lb. - Blow Molded Red Storage Case Included. ? QUALITY: Heavy-Duty Lugnut Sockets are Made in Taiwan from Drop Forged Heat-Treated Chrome Molybdenum (Cr-Mo) Steel ensuring a long lasting lifetime sustaining heavy torques - Sturdy Red Carrying Case Included. ? DESIGN: SAE/Metric Hex Sizes are Color Coded (Red-Blue-Yellow) & clearly marked for easy identification - The Six-Point Thin Wall Deep Sockets are Black Electroplated Finished, & the Extension Bar is Black Oxide Finished to ensure a perfect snug fit on nuts without rim scratching and also socket longevity without breaking/deforming. ? USES: The 3 Double-Duty Sockets are great for flat tire changes, transferring Torque into your Stubborn Lugnuts from your Cordless/Electric Impact, Torque, & Ratcheting Wrench or Breaker Bar - Useful for Mechanics on all Makes & Models Automotive Car, Truck or Boat Trailer.