Labor-saving design of flexible joint - These ratchet wrench heads can be folded, providing unparalleled flexibility. Joint design can realize parallel twisting, saving you twice as much energy and making your task easier and more efficient. [Combined ratchet wrench with open end and box end] - The open end is very suitable for loosening and tightening powerful bolts, while end can realize fast and efficient screw operation. For the best effect, please avoid unscrewing the old solid screw with end to avoid damaging the closing spring. Ratchet wrench set - 7-piece ratchet wrench set includes ratchet wrench metric and standard 8, 10, 12, 13, 14, 17 and 19mm, which can meet your maintenance needs. High-quality steel structure - Ratchet wrench set is made of high-quality chrome vanadium steel, with mirror polishing, durability and comfortable grip. After heat treatment to achieve maximum strength, chromium plating is - and rust-proof. Colour:As Shown Material:chrome vanadium steel Package Contents: 7 * wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.