Kashi CB-508C Japanese Cobalt Swivel Thumb 5.5" Hair Cutting Shears / Scissors

Features:
- SWIVEL THUMB CUTTING SCISSORS / SHEARS
- STEEL: JAPANESE 440C COBALT STEEL.
- HARDNESS: 59-61 ROCKWELL
- IDEAL FOR WET, DRY AND SLIDE CUTTING
- LIFETIME WARRANTY

Rockwell:
Rockwell hardness testing is a general method for measuring the hardness of metallic materials. In this test, a load is applied to set a diamond cone or a hardened steel ball in the surface of the metal. The hardness is measures by depth of the penetration