Square Screwdriver Bit Sq1/Sq2/Sq2.7/Sq3/Sq4/Sq5 with 1/4" Hex Shank and 2" Length, Magnetic Screwdriver for Safety Screws, Electric Tool

SIZE - SQ1/SQ2/SQ2.7/SQ3/SQ4/SQ5 square head, 1/4 inch hex shank, 2 inch total length. Material - Made of S2 alloy steel with nickel plated finish, good strength, wear-resistant and durable, suitable for industrial use. Feature - The magnetic tip of the bit can firmly hold the screw before installation and after removing the screw, which improves efficiency. APPLICATION - Can be used with electric screwdrivers, manual screwdrivers, electric drills, pneumatic drills, etc. Note - Do not use screws of unsuitable size to avoid damage to both the screw and the drill.