Catalog number: TRRS-12S Features: ●The holder can be rotated, making it easy to insert and remove hex wrenches of various sizes. ●High-quality steel and excellent heat treatment maintain high quality with hardness of HRC50 to 58. Specifications: ●Set contents (mm): 1.5, 2, 2.5, 3, 4, 4.5, 5, 5.5, 6, 7, 8, 10 ●Set contents (pieces): 12 ●Surface treatment: Black dyeing ●Hardness: HRC52-56 Material/Finish: ●Chrome vanadium steel (Cr-V) Set contents/Accessories: ●Holder
