Specification:Name:Lawn Mower Working Head AssemblyColor:black+silverMaterials:65 manganese steelRotating Speed:11500rpmDisplacement:37ccSize:28mmTeeth:7/9Features:Suitable for weeds grown in sandy and economic crops.65 manganese steel material, durable and not easy to break.Widely used in: vegetable greenhouses, , nursery, orchard, tea garden management.Note:Please allow a bit error due to manual measurement. please make sure you do not mind before you bid.The color may have different as the difference display, please understand.Package Included:1 x Weeding Wheel