Compatible with all arrow types including carbon, fiberglass, and aluminum. Capable of grinding the nock and nock section for a flat, flush fit. Effortless and smooth polishing with a striped knob design that minimizes force and prevents slipping. Stable, precise rotation produces a consistent finish. Wide compatibility across most arrow shafts, adapting easily to different diameters and wall thicknesses for reliable use. precision bearing delivers smooth rotation and improves grinding accuracy for repeatable results. Durable, compact design for easy handling and onsite use. Lightweight and portable for field tuning and workshop setups. Typical uses Quick nock prep on the range to ensure smooth seating and reliable arrow flight during practice. Precise nock alignment when building or repairing arrows in the workshop, helping with consistency. Regular maintenance to refresh worn nocks and restore accuracy across multiple arrows.