Zap #PT-03 Medium CA 14.1g ills gaps. Works well on harder woods such as Bass and Spruce, even works on oily surfaces! Some uses besides hobbies and crafts include; jewelry manufacturing and repair, taxidermy, pool cue tips, darts, archery, knife making, mold and pattern making, furniture refinishing and antique repair, and for fishing, fly line splicing and fly tying.