Specification: Color: As picture shownTail Diameter(Optional): Approx. 4mm / 0.15"Approx. 4.8mm / 0.19"Approx. 5.5mm / 0.21"Quantity: 3pcsPackage Included: 3 x Round Chainsaw Files (Files Only) Product Description: Widely Used Sharpens all chainsaw chains, check for correct compatibility. Premium quality files manufactured to meet the demands of the forestry industry and stand the test of time.Professional Tools This chainsaw sharpener has a round shape, smooth cutting and straight bristles, it has sharp fangs, high hardness and strong wear resistance. Designed and manufactured to provide an optimal cutting experience, durable and reliableSuperior Performance Laser operation, fine and dense reliefs are engraved on the round bar to increase friction, in order to achieve The sharpening effect, the circular sharpening tool, 360 degrees of work is simple and practical, low noise and simple appearance.High-quality materials This chainsaw sharpener is made of high-quality bearing steel, rust-free, corrosion-resistant, and high-strength for maximum durability. The surface is smooth and burr-free, and the hand feels delicate and comfortable. Start filling by tightening the chain tension to firmly support and file the knives from the inside. luckymeet