1、6pcs precise ratchet wrench in different size: 8/10/13/14/17/19mm. 2、Made of premium carbon steel and chrome-vanadium steel, high hardness and durable. 3、These wrenches are designed flexibly to facilitate small space operation. 4、The 72-tooth ratchet gears with full-drive box ends deliver reliable torque to tighten or loosen any bolt without rounding. 5、Suitable for DIY or home use, widely used in automobile, bicycle and vehicle maintenance, street lights, computers, electronic appliances or factory maintenance. Features: 6pcs precise ratchet wrench in different size: 8/10/13/14/17/19mm. Made of premium carbon steel and chrome-vanadium steel, high hardness and durable. These wrenches are designed flexibly to facilitate small space operation. The 72-tooth ratchet gears with full-drive box ends deliver reliable torque to tighten or loosen any bolt without rounding. Suitable for DIY or home use, widely used in automobile, bicycle and vehicle maintenance, street lights, computers, electronic appliances or factory maintenance. Specification: Material: Carbon Steel + Chrome-vanadium Steel Weight: Approx.1421g/ 50.1oz Wrench size: 8/10/13/14/17/19mm Adapter size: 1/4'', 3/8", 1/2"  Hex adapter size: 1/4'' Package List: 6 * Ratchet Wrench 4 * Adapter 1 * Box Note: Please allow slight error due to manual measurement. Thanks for your understanding.