Models DTM51 have been developed based on models BTM50 and equipped with the tool-less accessory change system.

• Tool-less accessory clamp. Lever style lock system allows for quick installation and replacement of accessories,.
• Ergonomically best possible barrel grip, with a perfect circumference size and shape whcih fits the hand for extra comfortable handling.
• Battery capacity warning lamp Blinking red; Battery power has been nearly used up. Solid red; Battery power has been used up (Battery protector will shut off the power.)
• Accessories can be installed at 30º increments, across 360º
• Variable speed control dial.
• Soft start
• Anti-restart function.
• High operating efficiency.