This Very Useful Sharpening Tool Is Diamond Coated On All The Surfaces Of The Hardened Steel Base. Ideal For Sharpening A Range Of Tools Including Pruning Shears, Secateurs And Cable Cutters Without The Need For Dismantling.felco Diamond-coated Hardened Steel Sharpening Stoneeasy To Use, Designed To Reach All Areas While Sharpeningessential For Sharpening, Strengthening And Honing Of Blade Cutting Edges To A Professional Standardideal For Sharpening Blades Without Dismantling The Pruning Shearsfor Pruning Shears, Secateurs And Cable Cutters100mm/3.9\" Long, Weight: 50g/1.8oz.