Features a 4mm torx diameter and a 2mm security hole. Designed with slight magnetism for added convenience and practicality. The ergonomic 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: Only the items listed above are included. Other products are not included. Light reflection and differences in display screens may cause slight variations in color between the product image and the actual item. Measurement may vary by +/- 1-3cm.