[Product Size] The wheel key set is designed with 3 different attachments. Big key : reach 23-32mm, total length 28cm; small key : applicable range 9-22mm / 6-15mm, total length 21cm. universally suitable for; a selection of nuts and bolts. Fine teeth can firmly fix water pipes or round, square and diamond screws from 6 to 10. 32 mm. [Quality] The key; to nut is made of high quality steel, fully hardened. High frequency, chrome plated, high hardness, good toughness, high torque, mechanical tooth tip, high biting force, strong and durable. [Save your time and effort] Two universal wrenches, suitable for all kinds of bolts and nuts. No more boring searches! Just use the key. open it and you can do the rest yourself. [Wide range of applications] This kit is very suitable for repairing or replacing parts, valves, water pipes and hoses, boiler coolers, wheels, air conditioners, etc. In the house or in the kitchen or in the bathroom.