Features: *including screwdriver magnetizer, fixed holder and magnetic ring, which can meet your different needs. *Fine workership, high efficiency and long service life. *It can firmly hold the screw to prevent the bit from slipping, thus prolonging the service life of the bit. *Impact resistant and hard, good wear resistance. *Strong magnetism prevents the screws from falling out. *No batteries or electrical required, easy to use. Specifications: *Material: Plastic+alloy steel *Fixed Holder Length: approx.40mm/1.57in *Size: As picture shown *Main Color: Red (As picture shown) *Optional: A- Screwdriver Magnetizer 1.5-4mm , B- Screwdriver Magnetizer 4-6.3mm, C- Screwdriver Magnetizer 6-10mm , D- Red magnet ring *Quantity: 1pc Package Contents: 1 x Screwdriver Magnetizer Note: 1. The real color 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.