ITEM NAME:8Pcs H1.5-H8 50mm 1/4'' Shank Hex Magnetic Head Screw Driver Screwdriver Bit Set Description Specification: Brand new Name: magnetic hex screwdriver bit Material: S2 alloy steel Color: as picture shows Quantity: 8pcs per set General specification for six corner handles edge 6.35mm S2 alloy steel hard, good workmanship, high precision Number of strong magnetic bits in the installation, can suck the screws easily, Electric screwdriver, screwdriver, drill, manual tools such as general wind group Here is the detailed size: Size : H1.5 Dia. of head (mm): 1.5/0.06" Length. (mm): 50mm Size : H2 Dia. of head (mm): 2 / 0.08" Length. (mm): 50mm Size : H2.5 Dia. of head (mm): 2.5 / 0.1" Length. (mm): 50mm Size : H3 Dia. of head (mm): 3 / 0.12" Length. (mm): 50mm Size : H4 Dia. of head (mm): 4 / 0.16" Length. (mm): 50mm Size : H5 Dia. of head (mm): 6 / 0.24" Length. (mm): 50mm Size : H6 Dia. of head (mm): 2.5 / 0.1" Length. (mm): 50mm Size : H8 Dia. of head (mm): 8 / 0.3" Length. (mm): 50mm Package included: 1 x H1.5 Magnetic Hex Screwdriver Bit 1 x H2 Magnetic Hex Screwdriver Bit 1 x H2.5 Magnetic Hex Screwdriver Bit 1 x H3 Magnetic Hex Screwdriver Bit 1 x H4 Magnetic Hex Screwdriver Bit 1 x H5 Magnetic Hex Screwdriver Bit 1 x H6 Magnetic Hex Screwdriver Bit 1 x H8 Magnetic Hex Screwdriver Bit Note: Please allow 1-5mm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.Number of strong magnetic bits in the installation, can suck the screws easily, Electric screwdriver, screwdriver, drill, manual tools such as general wind group. Quantity: 8pcs per set. Size : H8 Dia.