The th ma 1300 1320 w wall chaser is for ambitious diy enthusiasts that appreciate the tool as an indispensable helper when installing gas pipes water pipes and cable conduits the softstart function drag cut and large handle ensure smooth starting and safe operation the cutting depth is infinitely adjustable enabling the th ma 1300 to cut channels of uniform size without any bothersome refinishing an overload switch protects the motor from overheating during long work sessions the spindle