For wood project enthusiasts, hobbyists, and DIYers, the Kreg KMA4600-E Straight Edge Guide Extension Rail-2 Foot is an accessible carpentry tool. Our straight edge guide sets carpenters up for a successful project. This woodworking tool makes precise, repeatable cuts. The aluminum guide rail helps you make precise cuts along a straight line and provides the same quality of the Kreg Straight Edge Guide. Position cuts perfectly on the plywood, MDF board, or other material. This saw guide is compatible with any left- and right-blade circular saw; this woodworking tool is also compatible with some jigsaws and trim routers. The circular saw guide system adds 2 feet to the 4-foot Straight Edge Guide. This carpenter's tool makes your DIY projects easier to complete. This saw guide home improvement tool is an accessible woodworking tool that every DIYer or professional worker needs. At Kreg, woodworking is our passion. We take pride in a project well-done, and we understand how important the tools at hand are to the final product. That's why we craft the very best woodworking tools. We want our customers to feel confident in their ability to finish quality products with Kreg tools in hand.