The magnetic wrist strap with strong magnet can fix nails and drill bits. Special gift for father and boyfriend. The size is suitable for most people, so 't worry too much. Thumb ring is designed to avoid falling off at work. Skin-friendly material, comfortable to wear for a long time are wear-resistant, waterproof and light. Suitable for carpentry, garage maintenance, house renovation, garden repair, DIY computer, etc. Specifications Name: magnetic wrist strap Material: polyester Size: 10 x 38cm Usage: adsorption screw fittings and metal fittings worn on . Color: Orange Package Contents: 1 x Magnetic wrist strap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.