Features: brand new and high quality Easily solve the repair of the car engine stricture uninstall screw.A good assistant of the screwdriver, auto repair necessary. High-quality chrome-vanadium steel end, with the strength of the flexible spring shaft. Applicable to the traditional solid extension rod not suitable for place. Apply to all manual application of ratchet Relies on bent extensions to quickly loosen bolts and nuts for light torque applications at awkward angles and in hard-to-reach locations. Tightly coiled steel springs allow you to reaches awkward angles while maintaining great rotational torque transfer. Makes your installation work flexible, comfortable and efficient. Spring loaded balls locks to prevent parts from sliding into machinery with square corners to reduce tool and sleeve wear. Specifications: Material:Metal Color:Black Length:192mm/250mm/345mm Package Includes: 1x Connect Rod note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.