Pentagonal Head Screwdriver Bit Set - 10 Size: H 2.15 / 2.85 / 3.15 / 4.05 / 4.35 / 5.15 / 6.35 / 6.75 / 6.95 / 7.55 Overall Length: 50mm / 2 inches Security tamper-proof 5-sided screwdriver bits Made of high-quality steel with hardened construction for durability Strong magnetic screwdriver bits: each bit features a strong magnet to securely hold screws, easy screw pickup, and reduced risk of damaging screws 1/4 inch shank fits standard electric screwdrivers, hand screwdrivers, electric drills/drivers, and power tool attachments Length: approximately 50mm / 1.97 inches Set includes 10 pieces Package includes: 1 x Pentagonal Head Screwdriver Bit Set Note: Due to lighting and screen differences, the actual item color may vary slightly from the images. Please allow 0.5–2cm variation due to manual measurement.