【COMPATIBILITY】-Our 10 inch steel tooth brush cutter replacement blades and universal adapter: Fit most gas or electric brush cutters (straight shaft brush cutters only) with a 10 inch x 1 inch (25.4 mm) or 20 mm mandrel. 【FUNCTION】-2 packs of 10 inch x 60T carbide tipped brush blades are perfect for trimming and pruning as you don't need to exert much pressure during the process, also approved by mechanic to ensure the quality meets or exceeds OEM and they help to cut through thick weeds and brush in your garden or other landscaping work. 【Material】- The 60T grass trimmer blade adapter kit is made of premium stainless steel, which is heat and rust resistant and has a long service life. The brush cutter blades for brush cutters with sharp tooth design and hollow cooling design are efficient for trimming, pruning and save you much more effort. 【Wide Application】- These brush cutter blades are used for cutting grass, brush, small trees and weeds, some are used for cutting small trees,