Extra Blade for Ryoba Gyokucho 9-1/2" Double Edge RazorSaw Extra Blade for the Ryoba Gyokucho 9-1/2" Double Edge Razor Saw Blade length: 9-1/2" Cross-cut: 14 tpi; Rip: 7 tpi Replacement blade for 155608, 155689, 155675, 155666