• For Phillips head screws • For all screw applications in trade and industry • High performance alloy steel • Zinc phosphated finish • 1/4" hex drive DIN 3126 and ISO 1173, style C 6.3 • Available in small blister pack of 3 pieces, plastic box of 10 pieces and 2-component plastic box of 30 pieces • Available in industrial pack: 100 pieces (-IP) and 500 pieces (-IPB)