Material: plasticLength67mm Good Compatible With grass and thin brush, not Compatible With young trees or other hard materials. Compatible With best use, avoid using this attachment Compatible With edging, working with bricks, chains, or bricks Suitable Compatible With RYOBI RAC155 RAC157 Edger in water at night beCompatible With e using them, they will last longer. Quantity: 50 Compatible With blades Compatible With RAC158, perfect Compatible With blades Compatible With the original blades.", Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!