Fills gaps. Works well on harder woods such as bass and spruce. It even works on oily surfaces! Some uses besides hobbies and crafts include; jewellery manufacturing and repair, taxidermy, pool cue tips, darts, archery, knife making, mould and pattern making, furniture refinishing and antique repair, and for fishing; fly line splicing and fly tying. Wood turners and manufactures of custom wood products appreciate the ability of ZAP-A-GAP CA+ to help save their projects by filling in and bonding cracks that often occur in expensive hard woods. Allows 7 to 10 seconds for positioning.