High , low cam-out. Especially good with -setting tools. Great for your repair works. They are used to open or the cover of your cell phone, laptops an so on with the screwdriver grip(not included). Product Name: Torx Security Screwdriver Bits Main Material: S2 steel Head Type: T20 Main Color: Silver Gray Drive Type: Torx Features: Magnetic Hex Width: 1/4 inch Length: 100mm/ 4 inch Weight: 181g Package Content: 10 x Torx Security Screwdriver Bits Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.