Editorial Review Features: - IDEAL FOR WET AND DRY HAIRS T - HIS SIMPLE DESIGN OFFERS THE MOST COMFORT AND CONTROL. - ROCKWELL HARDNESS: 59-61 - 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
Features 1) IDEAL FOR WET AND DRY HAIRS T 2) HIS SIMPLE DESIGN OFFERS THE MOST COMFORT AND CONTROL. 3) ROCKWELL HARDNESS: 59-61 4) LIFETIME WARRANTY