Features: Brand new and high quality Two wrenches for variety of bolts and nuts. Just the movement of one hand! Efficient, practical and lightweight system. Suitable for plumbing, carpentry and garden work. They are the solution to your faucet, plumbing and plumbing, radiators, boiler, wheel problems. The secret lies in their self-adjusting technology, which allows them to automatically adapt to size Specifications: Material:High Carbon Steel Type:Green 3 Teeth/Self-lock Green 3 Teeth: Large:Approx. 21cm/8.26inches Small:Approx. 28cm/11inches Self-lock: Large:Approx. 26cm/10.23inches Small:Approx.38cm/14.96inches Package Includes: 2Pcs Universal Wrench 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.