Heat-treated shanks. Cross ground for consistent fit. Tip edges ground to a precise width and thickness to fit screw slot. 4 sided handle prevents roll away. Tool Type: Screwdriver Set; Tip/Socket Type(s): Phillips; SAE Slotted; Tip/Socket Size(s): 1/8"; 3/16"; 3/8"; 1/4"; 5/16"; #0; #1; #2; #3; #4; Tip/Socket Material: Steel.

• Heat-treated shanks.
• Cross ground for consistent fit.
• Tip edges ground to a precise width and thickness to fit screw slot.
• 4 sided handle prevents roll away.

Heat-treated shanks.STANLEY BLACK & DECKER INC