Chainsaw Sharpener Heads, Metal Grinding Bits, Pack of 6 Available sizes: 5/32 inch 4.0mm, 3/16 inch 4.8mm, 7/32 inch 5.5mm Key benefits Durable cutting edge restoration: hardness and strong toughness give consistent grinding performance and long service life. Wear and corrosion resistant: designed to resist abrasion and corrosion for repeated use in sharpening and light metal polishing. Precise fit for common chain sizes: three size options match small, medium, and large chainsaw cutters to restore correct tooth geometry. Versatile for workshop tasks: suitable for chainsaw chain sharpening, metal polishing, and woodworking edge maintenance. What you get Package includes 6 x chainsaw sharpener heads. Available size options: 5/32 inch 4.0mm, 3/16 inch 4.8mm, 7/32 inch 5.5mm. Select the size that matches your chain. Specifications Material: Metal Overall length: approx. 48mm / 1.89 in (all sizes) Shank diameter: approx. 3mm / 0.12 in (all sizes) Size details 5/32 inch 4.0mm Grinding head length: approx. 20.5mm / 0.81 in Grinding head diameter: approx. 4.0mm / 0.16 in Applicable chain: for Electric saw small 8chains 3/16 inch 4.8mm Grinding head length: approx. 22.5mm / 0.89 in Grinding head diameter: approx. 4.8mm Applicable chain: for 325Electric saw, big 8chains 7/32 inch 5.5mm Grinding head length: approx. 23.5mm / 0.93 in Grinding head diameter: approx. 5.5mm Applicable chain: for 404Electric saw chains Performance features Hard and wear resistant grinding surface for effective material removal and sustained edge retention. Stable dimensions and shank diameter for secure mounting and consistent contact during sharpening. Corrosion resistant metal construction suitable for routine workshop use. Typical applications Sharpening chainsaw chains on small and large electric saws to restore cutting efficiency. Touch up cutters used in woodworking projects to maintain clean, controlled cuts. Light metal polishing or deburring where a small, hard grinding head is required. Notes Please allow 1 to 2 cm variation due to manual measurement. Product color may vary slightly from images due to monitor differences. Choose the correct diameter to match your chain model and tooth size for results.