Features a 4mm torx diameter and a 2mm security hole. Designed with slight magnetism for added convenience and practicality. The ergonomically shaped plastic handle provides a comfortable grip, while the precision tip ensures a secure fit. Ideal for opening electronic devices, this screwdriver is preferred by electricians and repair professionals for its versatility. Product Name: Screwdriver Material: Metal Shaft and Plastic Handle Tip Type: Security Torx (T20) Tip Hole Diameter: 2mm Torx Diameter: 4mm Shaft Diameter: 5mm Shaft Length: 100mm / 3.9 inch Total Length: 175mm / 6.9 inch Handle Size: 75mm x 20mm / 3 inch x 0.8 inch (L x D) Handle Color: Clear, Red Weight: 89g Package Contents: 20 x Screwdriver Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement may vary by +/- 1-3cm.