HOT TOOLS MEDIUM PROFESSIONAL SPRING IRON 5/8in gives you a barrel for smooth, tight curls. Hot Tools' Patented Pulse Auto Heat Control for high constant heat. For smooth, tight curls. Professional Feature: Soft-Grip textured handle. It also includes 85 watts,10 variable heat settings with built-in rheostat control. Powerful spring clamp. Extra-high heat. 24K gold-plated barrel. Fast heat up. Heavy-duty long-life heating element. Foldaway safety stand. Pilot light. Extra-long cool tip. 8-ft. super heavy-duty round cord for longer life, reduced kinking and tangling and On/Off switch.