【Steel Wire Brush Cutter Head Size】The diameter of the wire brush cutter head is 25.4mm, the diameter of the center hole is about 25.4mm. Brush cutter head suitable for all types of lawn mowers (including most lawn mowers, four-stroke, backpack). Multi-function: This steel wire brush cutter head can effectively remove moss and weeds between corners and paving tiles, it can cover all the weeds around the tree and has a better cutting effect. Also suitable for removing strong rust, cement slag, paint, splashes and scale, cleaning the welding edge. 【Sturdy and Traverse】 The stainless steel wire trimmer head is made of stainless steel disc and 0.5mm spring steel wire, high hardness and long service life, will not rust, cut evenly, weeds deeper and faster. The inner disc adopts the combination of wire positioning and improved knot design to prevent the steel wire brush from shifting during use. If it is hit by stones and lumps, it still works. 【Easy to Install】 The trimmer head is easy to