The Metal Sickle Mower Bar Kit is specifically designed for Troy-Bilt Trailblazer GW models, with a hole spacing of 1.25 inches. Made of durable metal, the kit includes 8 blades and 16 rivets for easy installation. The item length is 3 inches and the item width is 2 inches, ensuring a perfect fit for your lawn mower. Upgrade your yard maintenance with this high-quality blade kit from Troy-Bilt.