Compatibility:Replacement for Weed Warrior 70289A Push-N-Load nylon blades Compatible with Weed Warrior 14867B Push-N-Load 3-Blade Trimmer Head, PivoTrim Hybrid and Ugly Head Hybrid 2-N-1 weed trimmer heads . Product parameters: material: PA6 nylon , length: about 10.5 cm/4.1 inches, center hole diameter: about 0.8 cm/0.3 inches, quantity: 30 pieces Universal fit: Compatible with almost all brands of gas and cordless trimmers with 5/16 inch pin diameter, including Echo, Stihl, Husqvarna, Redmax, Ryobi, Cub Cadet, Weed Eater, Poulan, MTD, etc. Replacement for Echo gt225 gas powered Weeders, 40v Ryobi Expandit, Ryobi gas weeders, DeWalt battery weeders and more. Pleasant Mowing: High quality Push-N-Load 3 Blade Trimmer Head replacement blades that are extremely tough. The durable, serrated nylon blade helps you easily handle heavy weeds, light brush and all your other lawn mowing needs. And it's easy to install and use and can be changed in seconds without opening the head. ORAEVY 30Pcs Push-N-Load Replacement Nylon Blades Compatible with Weed Warrior 3 Blade Trimmer Head and Pivotrim Hybrid 2-N-1 Head，Universal Fit Compatibility:Replacement for Weed Warrior 70289A Push-N-Load nylon blades Compatible with Weed Warrior 14867B Push-N-Load 3-Blade Trimmer Head, PivoTrim Hybrid and Ugly Head Hybrid 2-N-1 weed trimmer heads . Product parameters: material: PA6 nylon , length: about 10.5 cm/4.1 inches, center hole diameter: about 0.8 cm/0.3 inches, quantity: 30 pieces Universal fit: Compatible with almost all brands of gas and cordless trimmers with 5/16 inch pin diameter, including Echo, Stihl, Husqvarna, Redmax, Ryobi, Cub Cadet, Weed Eater, Poulan, MTD, etc. Replacement for Echo gt225 gas powered Weeders, 40v Ryobi Expandit, Ryobi gas weeders, DeWalt battery weeders and more. Pleasant Mowing: High quality Push-N-Load 3 Blade Trimmer Head replacement blades that are extremely tough. The durable, serrated nylon blade helps you easily handle heavy weeds, light brush and all your other lawn mowing needs. And it's easy to install and use and can be changed in seconds without opening the head.