Cepco Tool BoWrench BW-4 Tongue and Groove Cam Attachment
To be used with the Cepco BW1000 BoWrench for tongues up to 5/16-inch thick. 1x Tongue and Groove Cam - Holds tongue on wood. Prevents tongue damage. Fits tongue thickness up to 5/16". Great for 3/4", 1" 5/4", and plywood tongues.