New Professional Hi-quality Allen bit hex metric 10 pcs Set Color-Coded Precisionbits For Easy Identification Of Both Size And Screw Profile Keep It Simple: Precisionbits Are Universal For All Applications. Pb'S Spring Steel, Despite A Hardness Of 58-60Hrc, Allows Toughness/Elasticity In Its Precisionbits. All Pb Swiss Tools Are 100% Swiss-Made. High Quality Product. Brand New