PORTER CABLE 5563 "FF" FACE FRAME BISCUITS 175 PACK Lose the dowelling jig...now there is a biscuit that can join material as narrow as 1-1/2 inches! Standard size 0 biscuits are too long for use in 1-1/2-inch stock. With Porter-Cable's 557 Deluxe Plate Joiner and these "FF" biscuits, narrow stock can be joined quickly and easily. At 5/32-inch thick, they are as thick as standard biscuits and provide plenty of strength for typical face frame construction. The re-sealable tube protects biscuits from moisture to prevent swelling. For use only with the Porter-Cable 557 Deluxe Plate Joiner and 2-inch blade. Includes 175 biscuits.