The E. Emerson Tool Company A-12 All-in-One 12-Inch Grip Clamp Guide uses edge to edge clamps that are quickly adjustable and has low profile, unobtrusive jaws to secure wood while staying out of your way. The tall, wide jaws provide flexibility, and the jaw holes accept steel jaw teeth for use on steel tables, and the scale ruler can be used for metric or inch measurements. The built-in T-track accommodates all manner of accessories, such as router plates, stop blocks, and jigs. The clamp thickness matches 3/4-inch plywood sheets, and a micro-adjustable stop provides superior precision in a tool given 5 stars by Popular Woodworking magazine.