Features: This product is a dual purpose tool: a test pencil + a screwdriver Screwdriver material is chrome vanadium alloy steel. Screwdriver head through the hardening treatment make it rugged and durable. Handle granular anti slip design conforms to human engineering design standards. It can test 50V-1000V voltage. Handle material is ABS insulation material, safe not electric shock The Handle whit a Power warning light when the higher the voltage, the greater the brightness of the light. Description: 100% brand new and high quality Material: Chrome-Vanadium Steel (CR-V); ABS + TPR Color: Red + White Size: (Approx.) Handle length: 115mm/4.53in Rod length: 150mm/5.91in Screwdriver Bit Size: Slotted bit: 6.0mm S:PH1 and SL4 M:PH1 and SL5 L:PH2 and SL6 Package include: 1 x Screwdriver Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you 2. Please allow 1-3cm measuring deviation due to manual mearement.