This series is made of zinc alloy with TPR coating; it is comfortable to hold; the knife rail made of stainless steel has higher strength; Double tooth tool path structure design, more locking force (25kg); 5 blades can be installed on the tool holder, which can be used continuously and conveniently; the dovetail hook at the head of the tool path is riveted, and the tool path is not easy to deform during gravity cutting; the head of the tool path is equipped with locking screws, which can eliminate the blade gap, strengthen the locking force and cut more accurately;