ITEM NAME:Lawn Mower Weed Tray Trimmer Head Accessories Durable Weed Trimmer Head Description: Made of steel material. Good hardness, wear resistance, durable to use Replacement for the standard bump and feed heads that are hard to load, for most gas weed trimmers. With rounded edge instead of saw . Rounded edge wheels specially designated for grass or weed trimmingand edging Installation and disassembly are very simple, only need to install the pressure plate, blade protection cover, stopback gasket, nut. Material: Carbon steel Cutting diameter: approx23.5cm/9.25 inches Specification: Material: Steel Cutting diameter: approx.24cm/9.44inche Inner Hole Dia.2.54cm/1inch Height: 4.5cm/1.7inch Edge Height: Approx.2.5cm/0.98in Package Includes: 1 Piece Weed Trimmer Head Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. SKU: FUZ0018032460029041.With rounded edge instead of saw. Rounded edge wheels specially designated for grass or weed trimmingand edging. Installation and disassembly are very simple, only need to install the pressure plate, blade protection cover, stopback gasket, nut.