The MC-65 MicroChine is a lightweight, variable speed machining handpiece for precise circuitry and substrate repair as well as modification and conformal coating removal. The "smooth start" integral handpiece motor provides unparalleled control and ease of use for delicate applications. The MicroChine's tachometer feedback maintains controlled drilling and milling rates under varying loads. The unique Probe Brake feature instantly stops machining at selected layer depths for safe multilayer repair.