Magnetic 2.5mm H2.5 Hex Head Screwdriver Bit Silver Tone Blue 4 Pcs Product Name : Spanner Screwdriver Bit;Type : H2.5 Tip Diameter : 2.5mm/1/10";Hex Shank Diameter : 6.3mm/1/4" Each Total Length : 25mm/ 0.98";Color : Silver Tone, Blue Material : Metal;Total Weight : 26g Package Content : 4 x Spanner Screwdriver Bit