John Builds Iconic Military Model Deluxe Clamps
by twisting the Wing Nut it clamps together,
The parts do not come undone.
The Clamps are handmade so not an exact size but the wood part is around 35mm long and the Jaw 25mm
This particular Clamp differs from the JBBasic and JBTwist that it is an enclosed unit so you are unable to take it apart. .