Features: Instantly magnetizes screwdriver bit with a high saturation magnetic cores, ensuring secure screw grip during vertical repairs or DIY projects. 5 piece set includes tapered, square (three size), and claws shaped sleeves with solid ABS housing for multiple tool compatibility and extended magnetic lifespans. Essential for electricians, mechanics, and DIY enthusiasts working with small screws in electronics repair or furniture assembly. Maintains magnetic stability in toolkit, workshop seat, or cramped space where dropped screws disrupts workflow efficiency. Integrated nonslip base and double function claws design enable simultaneous screw positioning and magnetization for error release fastening operations. Specifications: Materials: ABS. Size: Approx.40x18x14.4mm/1.57x0.7x0.56inches Specifications: 4-6.35mm, 1.5-4mm, Package Includes: 5Piece Magnetic Bit Holders Set note: Please allow 1-3cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.