Check the listing for details. StewMac Super Glue, No. 20 Medium, 1 oz.. Condition: New. Listed at 15.30 USD. Speed your work by hours! Our super glues are first choice in guitar shops, thanks to fast, incredible bonding strength for repair work and instrument making. #20 Medium is our general-purpose super glue. A bit thicker, best for small imperfect joint gaps. Cures in 10-25 seconds. Spend less time setting up clamps and waiting for other glues to dry! Be ready for any repair situation that demands a fast permanent bond. Jigs Fretting Binding Inlays Finish touch-ups Nut slot repairs Bonus: we include 3 Whip Tip nozzle extenders for precision gluing, and 1 clog-free stopper which has a tiny pin to prevent clogs. The 1-ounce bottle is the practical size to minimize shelf life problems. To maximize shelf life, store super glues in a cool dry place. Warning! Super glues bond skin and eyes instantly. Use in a well ventilated area. Keep out of the reach of children.