1. 2-IN-1 Ratchet Wrench: 1/2 x 3/8in. Dual-Head Ratchet Handle with Telescopic Function. Hammer function on head two ends. Dual-Drive Extendable Ratchet is versatile for small jobs and medium size jobs. Material: 40CR ratchet, carbon steel body. Function: tie up or loose screw... 2. 1/2 Inch Drive Extendalbe Ratchet Wrench Heavy duty head ratchet with 72 tooth mechanism makes it great for high torque applications Labor Saving Extendable Handle Antiskid Comfort Grip Extensible from 12 to 18inch(30.5 to 45.7cm)(Manual measurement may result in an error of 1-3 centimeters) 3. L-type handle is chrome plated on carbon steel material with plastic anti-skid handle 4. 4-IN-1 Tire Impact Socket and Extension Bar: 17mm and 11/16 are not universal, it can only be used at 17mm. 19mm = 3/4 "can be used universally. 21mm = 13/16 "can be used universally. 22mm = 7/8 "can be used universally. Option 1: 2-IN-1 Ratchet Wrench And 4-IN-1 Tire Imact Socket Option 2: L-type Handle And 4-IN-1 Tire Imact Socket Option 3: 1/2 Inch Drive Extendalbe Ratchet Wrench And 4-IN-1 Tire Imact Socket