Universal & Adjustable Wrench Lightweight and self-adjusting easily fits to all the bolts ranging from 9mm to 32mm. Self-adjusting technology for nuts and bolts of all sizes and shapes. They are the solution to your problems with taps, valves, pipes and piping, radiators boilers, wheels, etc.Multi - Functional Tool No need for having multiple wrenches of different size as this handy set works great for all bolt shapes and sizes. Standard size, Automatically fits to the size and shape of nuts and bolts. High Quality & Easy to use The hand snap tool use of CR-V chrome vanadium steel and chrome surface treatment, high hardness torque, beautiful and durable. However, both can be used for all the different purposes irrespective of their size and shape, as these wrenches adapt themselves according to its usage. Material: Chrome vanadium steel + Rubber Grip Size: 28 cm and 21 cm Working size: 9 to 32 mm Size of Wrench: Large, 11-1/8"Large & Small, 8-3/8"Large Carbon Steel Non- Slip Handle Precision anti-slip tooth Fixed Nail