Opens in seconds with one smooth motion - because it's one connected assembly - so there's no fumbling with loose parts Blade tensioning is automatic, reproducible and set to provide optimal sawing performance every time Saw blade safety is designed in. No need to touch the saw blade during opening and closing of the BOREAL21. Saw teeth are completely concealed protecting you and your gear. High clearance geometry - cut up to 6" logs straight through Simple and fast blade replacement - no special tools Grip handle angle is designed to optimize: stroke power vs saw balance Grip handle is ergonomically designed for maximum comfort Grip handle material made of durable and weather resistant nylon Framing made of high strength extruded and anodized aluminum (no twisting) with all stainless steel hardware Light weight - just over 1 pound (500g)