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Guru Extreme 39 Hard is the rougher and tougher version of Extreme 39
A new large
A top-tier large diamond combination sharpening stone/polishing stones
Save your joints over long skis
Red Creek Riller: 1mm Cutting B-Grade Guru Extreme 39 Hard isRed Creek Rill Tools (aka structure tools) offer the widest variety of rill patterns on the market. The cutting tools are great for introducing more permanent structure into ski bases. They come in a range from 1mm to 2. 5mm for least wet to most wet snow. Cutting tools give the best grooves for high moisture snow to channel water easily from under a ski. The differing patterns of rill allow techs to tune the structure perfectly to match the snow's