Experience fast and precise working with the EXPERTmatic™ attachments thanks to a smaller head size, snap-on facility and ceramic bearings. The attachments all feature quality stainless steel construction and advanced hygienic solutions. Durability and longer life with dent resistant heads Higher chuck strength holds the bur firmly in place and delivers precise cutting performance Improved treatment efficiency and accessibility thanks to the new smaller head size Better handling and ergonomics with EXPERTgrip Optimal cooling at bur-tip with multi port spray Limits clogging of the spray channels with field replaceable water filter Made in Germany EXPERTmatic™ E15C is a speed reducing attachment with a dent resistent steel head and EXPERTgrip™ for superior performance. Specifications: Reduction 5.4:1 For latch type burs Speed range up to 7,400 rpm (electric motor) and 3,700 rpm (air motor) Internal air/water coolant Push button auto chuck 1-port spray EXPERTgrip Universal "E" type connection