High quality The nut wrench is made of high quality steel, full high frequency hardened, chrome plated, high hardness, good toughness, high torque, mechanical tooth tip, strong biting force, solid and durable. Convenient design The universal wrench is suitable for a variety of nuts and bolts, and the fine teeth can firmly fix water pipes or 6-32mm round, square, diamond-shaped screws. Product size The adjustable wrench kit is designed with 3 different fasteners. Large wrench: range 23-32mm, total length 28cm; small wrench: applicable range 9-22mm / 6-15mm, total length 21cm. Save time and effort Two universal wrenches, suitable for all kinds of screws and nuts. No more boring searches Just use an open key and the rest can be sorted out by yourself. Wide range of applications This kit is very suitable for repairing or replacing accessories, valves, water pipes and hoses, boiler radiators, car wheels, air conditioning systems, etc. . in the house or kitchen or bathroom. Are you still worried about retightening the screws Cant find the correct size screw Is it difficult to adjust the angle of the wrench All you need is a set of universal keys. Two sets of universal keys for all types of screws and nuts. Meet your different needs.