Mitre clamp Mitre clamp Mitre clamps are designed to hold mitre joints together. The earliest mitre clamps are a simple spring in a C-shape with sharpened points that are sprung onto the outside corner of the mitre joint. The right angled plates are higher than the screws and the red holder. The screws go under the frame (work-piece) to be held, and the red bit clamps down on the lower-edge of the frame. Recent designs are more complicated; a rigid body holds one fixed and one moveable jaw activated by a cam. Examples of the newer clamps are Jim Chestnut's "Clam Clamp"
Mitre box the desired orientation of the cut) and at the appropriate angle. For precise work, a board cut in a mitre box might then be further adjusted on a shooting board. Mitre box A mitre box (US spelling, "miter box") is a wood working tool used to guide a hand saw to make precise mitre cuts in a board. The most common form of a mitre box is a 3-sided box which is open at the top and the ends. The box is made wide enough to accommodate the width of the boards to be cut. Slots are cut in the