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!Rip ...