Details:* S2 alloy steel hard, good workmanship, high precision * The number of strong magnetic bits in the installation, can easily suck screws, electric screwdriver, screwdriver, drill bit, hand tools such as general wind group * Color: Silver (as pictures show) * Material: S2 alloy steel * Size (approx.):Diameter H1.5. Head (mm): 1.5/0.06"H2 Dia. Head (mm): 2/0.08"H2.5 Head Diameter (mm): 2.5/0.1"H3 Dia. Head (mm): 3/0.12"H4 Dia. Head (mm): 4/0.16"H5 Dia. Head (mm): 6/0.24"H6 Dia. Head (mm): 2.5/0.1"H8 Dia. Heads(mm): 8 / 0.3"* Full Length: 50mm / 2in (Approx.) Package Contents:8 x Screwdrivers (1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm and 8mm)1 x HandleNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.