Installation: Remove the old part using, power drill and a flat head screw driver to pry it loose. Note that the original part is glued in so you want to twist it loose. To install new part apply, marine adhesive such as 3M 4200 or 5200 and hammer into place firmly with rubber mallet. Make sure that the orientation of the jaws matches the rest of the boom fittings and allow to set for at least 24 hours before use. NOTE: THE BOOM JAW IS THE ONLY FITTING THAT LANDFALL ESPECIALLY RECOMMENDS USING MARINE GLUE TO SECURE. AS THIS FITTING EXPERIENCES, SIGNIFICANT AMOUNT OF TORQUE FROM THE REST OF THE RIG IT IS IMPORTANT THAT IT BE SECURE!