Fongmore 6Pcs 1/4 Inch Shank Length Long Magnetic Square Head Screwdriver Bits Set Power Tools SQ1 SQ2 SQ3 (100mm)

• SQ1, SQ2, SQ3(2Pcs Each), 6 Pcs Professional Size Robertson Screwdriver Square Head driver bits set. Size is clearly engraved on the shank for easy identification.
• 1/4” inch hex shank, and 4 inch (100mm) length. Can be used with electric screwdriver, manual screwdriver, electric drill, group general tools, air and other any standard bit holders.
• Made of S2 high quality shock-resisting tool steel, a hard and abrasion-resistant alloy metal. Square head surface for steel material color,from inside to outside are the same.
• With 1/4" quick change hex shaft which widely used on electric screwdrivers, hand screwdrivers, cordless drills, etc.
• Strong magnetic, good workmanship, high precision. each edge can be accurately locked screws, no damage to the screw and the screwdriver head.

Specification: Materials: S2 alloy steel Type of shank: 1/4 Inch Hex (6.35mm) Length: 4-Inch/ 100mm Size:SQ1(2.4x 2.4mm), SQ2 (3.0x 3.0mm), SQ3 (3.4x 3.4mm) Dimensions: SQ1: 2.4x 2.4 Size of head (mm) - 100mm Length. SQ2: 3.0x 3.0 Size of head (mm) - 100mm Length. SQ3: 3.4x 3.4 Size of head (mm) - 100mm Length. What You Will Get: 6 x Square Head Screwdriver Bits (SQ1 SQ2 SQ3, Each size 2pcs)