OMER 90.38 5/8" - 1-9/16" 18 GAUGE NARROW CROWN STAPLE (Uses "L" or "90" series or equiv. common narrow crowns staples)OMER 90. 38 5 8" 1 9 16" 18 GAUGE NARROW CROWN STAPLER Uses "L" or "90" series or equiv. common narrow crowns staples Product Description: When it comes to installing trim or building furniture and cabinets, this narrow crown stapler is a useful tool. There are many types and sizes of pneumatic staplers on the market, but Omer makes one of the best. It has a bump single fire trigger, allowing you to fire a staple either by bumping the stapler or using