A revolutionary alloy steel (to extend tip life) is incorporated into the Phillips blade. All tips are vapor blasted to eliminate chipping. The exclusive tapered, torque-enhancing, cushion grip interlocks with durable core to provide a more powerful and comfortable grip. Blade Type: Round, Tip Style: Phillips, Blade Diameter : 5/16 -Inch by 8 mm, Blade Length : 6 -Inch by 150 mm, Overall Length : 11 -Inch by 279 mm, Blade/Point Size: 3.