Suggested Retail:$12. RINO-TUFF Push-N-Load 3-Blade Universal Trimmer Head. The Push-N-Load 3-Blade Replacement Trimmer Head by Rino-Tuff is a durable blade trimmer head with nylon blades designed to cut through light brush and thick grass. The head is made from carefully crafted glass-filled nylon for superior durability and abrasion resistance, it can withstand the extreme demand of any job. The powerful serrated nylon edges on the blades allow you to cut through thick weeds with ease. With its Push-N-Load technology, blades can be loaded and reloaded in seconds.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. PAID DELIVERY AND 7 DAY ALTERNATE PICK-UP ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.