With these failings in mind, our engineers designed the COMPASS MG-36Pro Miter Gauge. In comparison to the previous MG-36, the brand new MG-36Pro introducesseveral enhancements to elevate your woodworking experience , including the Extended Miter Bar, the precision Vernier Scale, the newly designed Miter Bar Fitness Adjustment Mechanism, and an Elbow Joint to the Flip Stop. The MG-36Pro is a tool you can trust and you will achieve your intended results which not only saves precious time, but saves you money by eliminating mistakes. And perhaps most important, the MG-36Pro is simply fun to use!