คุณลักษณะ

• Easy to distinguish tip size by color.
• +1 for red, +2 for yellow, +3 for green.
• Since both ends of the bit (tip and rear end) are not painted, the tip system is good.
• The painted part does not get in the way when the electric screwdriver is installed.
• Can be attached to most rechargeable, electric and air drivers (including impact) sold in Japan.