Feature: High-Torque Performance Universal Vehicle Compatibility Ergonomic Fatigue-Free Operation Compact & Balanced Design All-Weather Reliability Specification: -Material: quenched 40Cr alloy steel with chromeplating -Gear ratio: 1:16 -Max torque output: 680N/M -4 sockets: 17mm/ 19mm/ 21mm/ 22mm -Case Size: 8.3*6.3*2.8in -Weight: 4.9 lb. Package included -1 x 1/2” Torque Multiplier Lugnut Wrench -1 x Hand Crank Handle -4 x Cr-v Socket -1 x Carry Case.