Micro Jig SP2 PRO Orange Thin Kerf MJ Splitter Steel PRO The (Orange) Thin Kerf model MJ Splitter SteelPro is designed specifically for thin kerf saw blades. Please make sure you are using the correct MJ Splitter model with the appropriate saw blade. Our New MJ SplitterTM SteelPro is constructed from a 100% polycarbonate shell and reinforced with a solid stainless steel core. Our toughest splitter ever, utilizes the same patented technology of our original MJ Splitters. Furthermore, the SteelPRO employs another groundbreaking innovation for table saw safety and efficacy: The Dual Splitter. This allows the splitters to control the pressure on the keeper piece AND the off-cut piece by the thousands on an inch. This will virtually eliminate any chance of kickback on the table saw and greatly reduce the chance of severing fingers.