Evans Torque Key has an ergonomic grip for maximum comfort, a knurled knob for quick spinning, and a slip-resistant magnetic head. The torque handle can be set to a desired tension to help drummers attain more accurate tuning. Torque-handle can be set to desired tension, helps attain tuning accuracy Magnetic head helps prevent slipping and stays in place for quick adjustments Durable, ergonomic construction Designed in conjunction with Ned Steinberger All Evans accessories are designed, engineered and manufactured to the most stringent quality controls in the industry