6 Pieces Square Screwdriver Bits, 1/4 inch Hex Shank S2 Steel Square SQ1 SQ2 SQ3
Square screwdriver bit set in 3 different sizes: SQ1 SQ2 SQ3, 2 pieces of each size, total 6 pieces. ▲ SQ3: 3.4 mm x 3.4 mm. ▲ SQ1: 2.4 mm x 2.4 mm. ▲ SQ2: 3.0 mm x 3.0 mm. 2 x SQ1 Square Screwdriver Bits.