Silverline - HI-SPEC 150MM WALL CHASER - 793817 150mm wall chaser with 4 cutting positions 25, 18, 10 and 2mm. Adjustable cutting depth with depth scale and lock, maximum depth of cut 44mm. Soft start with overload and heat protection. Electrical constant power and constant torque. Quick, clean cutting of wall chases with dust extraction system. Input power 1200W. Blade size 150 x 22.23 bore. includes carry case.