We have plastic shelf on sleeve group set up, material CRV, quenching above 40 degrees Celsius, respectively is 4.4.5.5.5.5.6.7.8.9.10.11.12.13.14 this of several specifications, the other is a 4 inch extension rod, a 24 teeth of the ratchet wrench. The kit for repair cars, equipment maintenance, routine maintenance and the family, here below some of the specifications of the sleeve are commonly used in life, very good, you can also use it as a gift, send to the person you love, choose it not wrong!