Ripper37 – A New Generation of Portable Sawmill Blade… Ripper37 gets its name from the fact that tests show it to be 37% more durable than its nearest rival; and this increase in toughness and durability means you can run Ripper37 faster, longer and harder without compromising performance. Ripper37 blades will transform your Hud-Son Oscar 30 sawmill so much, you'll never use another brand again! Ripper37 blades give you: - MINIMAL WASTE & MAXIMUM CUTTING POWER - UNPARALLELED 'OUT-OF-THE'BOX' PERFORMANCE - 37% LONGER LASTING - UP TO 100% MORE REGRINDS - IMPROVED QUALITY OF SAWN TIMBER Order direct from our online store.