Pack of 50 replacement blades compatible with the Ryobi cutter, RAC155 RAC157 RAC158, double serrated blade heads

Material: Plastic, Length: 70 mm. Opening: Large opening 12 mm, small opening 7 mm. Suitable for grass and thin shrubs, not suitable for saplings or other hard materials. For best results, avoid using this attachment for trimming, handling bricks, chains, or other materials. Suitable for the RYOBI RAC155 and RAC157 wire cutters. About replacement blades: Made of PA6 (nylon), soak the blades in water overnight before use for longer life. Quantity: 50 replacement blades for the RAC158, a perfect replacement for the original blades.