6pcs Triangle Screwdriver Tool Triangular Toys 1/4\\\ 50mm

Suitable for installation in pneumatic screwdriver, electric screwdriver. TA18 the height of the middle triangle is 1.8mm. 6 Piece Screwdriver Bits. TA20 the height of the middle triangle is 2.0mm. TA23 the height of the middle triangle is 2.3mm.