[4.3×90]

[3.5×90]

[3.4×90]

Compatible models: Charging drill (9.6 V or above), charging impact driver, electric drill (400 W or less) cannot be used with vibration drills. Hexagonal shaft (0.25 inch (6.35 mm) shank; Shaft: blocks, mortar, brick, gypsum boards, etc. Cutting material: blocks, mortar, brick, gypsum board, etc. The 0.25 inch (6.35 mm) hex shank has been adopted for improved torque transmission. ● Integrated shape from shank to blade for safety and peace of mind. The one-piece shape from the shank to the tip of the blade, so it is possible to drill properly without any shaking or cracking at the cutting edge.