1. Plastic t-handle hex wrenches 2. Treatment:Chrome Plated 3. Material: Carbon Steel,40Cr or CRV Feature:1. plastic t-handle wrench set,hex key wrench set2. .High tensile strength 3.Top hardness degree4. Material:40 Cr ,CRV Finishing:Chrome plated,Black plated or Nickel plated Specification ITEM NOSIZEPCSJLY-922-S5H(1.5,2,2.5,3,4,5,6,8,10)mm6/48 CR-V steels-9PCS Hex key wrench long arm leng set