• Grooving cutter with battery operation (not included). 
• Mainly used for creating holes in building materials for applications such as cable or pipe installation. 
• Accepts 125mm diameter discs and can cut to a depth of up to 30mm and a width of up to 60mm. 
• Can be connected to a suction attachment for dust-free work. 
• Package includes handle.

The SJS is an advanced drive system based on a spiral spring that wraps around the shaft of the internal unit.

Upon startup, the spiral tightens around the shaft to produce a smooth, immediate, and highly efficient motion.

If the grinder "catches" or overloads the motor, the SJS is immediately deactivated by the reverse force, and the drive shaft rotates freely. It is ideal for use in outdoor applications or harsh environments.