Oregon 27AX VersaCut™ Skip-Tooth Saw Chain .404" .063" Micro Chisel®Oregon 27AX VersaCut Skip Tooth Saw Chain Oregon 27AX is a heavy duty, high performance Skip Tooth chain for professionals using large saws. Skip Tooth sequence is manufactured with an extra drive link between each cutter. Skip Tooth reduces load on the power head and assists with chip clearance on longer guide bars compared to standard sequence chain. 27AX saw chain is ideal for those who prefer the durability and easy maintenance of Micro Chisel