Flexible blue spring steel, held in aluminum rib. Soft overlay molded to newly designed smaller polypropylene handle is riveted directly to blade. Handle surface reduces hand moisture to improve your grip. Better ergonomics and less hand fatigue. 12 in. Blue Steel Flexible blue spring steel, held in aluminum rib Soft overlay molded to newly designed smaller polypropylene handle is riveted directly to blade Handle surface reduces hand moisture to improve your grip Better ergonomics and less hand fatigue Contoured soft grip handles for comfort For drywall professionals Made in U.S.A.