9 Piece Hex Screwdriver Bit Set H4x28mm Small Hex Screwdriver Bits H0.7 H0.9 H1.5 H2 H3 H4 4mm Hex Shank | Fruugo UK
iFixit Precision 4 mm Screwdriver Bit
6 Pcs Cross Screwdriver Bits H428mm Ph0000 Ph000 Ph00 Ph0 Ph1 Ph2 4mm Hex Shank For Hand Repair Tool | Fruugo UK
Utoolmart T5 Torx 4mm Dia Round Shank Screwdriver Bit Sets 40mm Total Length S2 Steel Six-Point Magnetic Tip Drill Bit for Automobiles Repairs Trucks 10pcs : Amazon.co.uk: DIY & Tools