(LSPK) "The Puck" is the answer for all those difficult sharpening jobs that have baffled you before. The Puck is a dual-grit sharpener that lets you restore the most badly worn edges with the coarse grit side or put a fine edge on dull blades with the medium grit side. The Puck has a tapered edge and comfortable size and shape to facilitate sharpening on boat straight and curved, long or short edges. The contoured shape and compact size makes it easy to carry in a pocket , toolbox, backpac, or tackle box. Approx 3" diameter and approx 1" thick.