12L1028-36 Dotco 12-10 Series Inline Grinder. Dotco 12-10 Series Inline Grinder is made of durable and ergonomic composite housing. Dotco 12-10 Series Inline Grinder features a compact size for ultimate control and easy access to confined areas. Dotco 12-10 Series Inline Grinder is ideal for die and mold work as well as deburring. Dotco 12-10 Series Inline Grinder has a comprehensive selection of speed available and is equipped with a lock-off lever. Collet Size: 1/4” Exhaust: Rear Free Speed (rpm): 20,000 Abrasive Capacity: 1/2” Carbide Burr, 1” Mounted Wheel Type Housing: Composite Weight: 0.8lbs/ 0.36kg Overall Length: 6.0”/152mm Air Inlet Size: 1/4”