Sno-Stuff has completely redone and improved bar selection to better reflect industry changes All bars feature extended studs for convenience All carbides use the same 7/16" bar stock with the exact same 60° controlling carbide and 1" wearpads, the only difference being the length of the controlling carbide 60° controlling carbide is physically larger and stays sharper for greater control and longevity 505 SERIES CARBIDE 4" 60° CONTROLLING CARBIDE Sno-Stuff's most popular carbide runner 4" x 60° of controlling carbide provides great steering control and longevity 1" tapered carbide wear pads front and rear provide exceptional wear resistance when compared to traditional hard surface bars 506 SERIES CARBIDE 6" 60° CONTROLLING CARBIDE Sno-Stuff has increased this 7/16" bar's controlling carbide to a full 6" Perfect for high-performance machines and studded tracks Two 1" carbide wear pads front and rear 507 SERIES CARBIDE 8" 60° CONTROLLING CARBIDE Designed for the racing enthusiast and demanding trail rider 7/16" bar has 8" of controlling carbide and two 1" wear pads for excellent control and extreme wear resistance