Set with 54 bits for slotted screws, Phillips, Pozidriv, hex, Robertson, and colored TORX®, TORX® Tamper, screws. Attachment: 1/4” DIN 3126-C6.3, ISO 1173. Surface treatment: Sandblasting. Material: S2 high-alloy steel. TORX bits are colored for easy identification of the size of the tip. IP: Delivered in cardboard display with 8 pieces