Router Box Joint Corner Clamp Caul Set: Making the perfect box isn’t a big task, but aligning them perfectly without any gaps between the sides is quite a challenging task. Glue those box joints with perfect alignment with our plastic 4-pack box clamp cauls and save hours of trouble easily. Uniform Finger Spacing Fit: Uniformly spaced pressure points in the individual box fingers at the corners of quick grip clamps cauls to give you the tightest joints possible. The slots on the outside of the woodworking square cauls are made to hold pennies firmly in place to support your band clamps at varying heights. Ideal for: This caul 4-piece clamp set is easy and flexible to use, giving you an exact fit to any type of box. Our wood working tools help to join your boxes without any gaps and do not stick with the glue. These corner clamps for woodworking set of 4 are not just for the boxes but can be used in different patterns. Material and Dimensions: Our joinery wood clamps for gluing caul are made of plastic. The slots in our 4 set framing tools cauls support the sides and fit into them easily for perfect alignment. Our wood clamps can be easily removed once the joints are glued together. Instructions: Glue and assemble the box. Place one wood clamp caul at a corner of the box so the caul’s pressure points line up with the fingers of the joint. Notice that cauls have an X on the end and nothing on the other. Depending on how the first caul is placed, this corner square tool is placed diagonally from this one and will need to be oriented the same way. Rockler Woodworking Joint Tool Wood Cauls for Boxes (4-Piece): Marking isn’t required for joining the planks to form a box. Our set of 4 box joint jig caul is the perfect tool for creating boxes with ease and efficiency. The right angle clamp tool is the smartest way of securing a square strong box while gluing. These box joint cauls are sturdy and durable enough with the application of glue on the joints. --- Corner Jig Woodworking Caul Directions to Use: Simply align the pressure points with box fingers and tighten in place with one or more Rockler 1” x 15’ band clamps (#58432, sold separately). --- About Us: The history of Rockler Woodworking and Hardware goes back to 1954 when Norton Rockler started the Minnesota Woodworkers Supply Company in north Minneapolis. It was a small mail-order business with a big aspiration – to become woodworkers' go-to resource for everything they need to complete their projects.