this is furniture staples,it's F brand series F brand series staples(office staples)crown:2mmwidth and thicknes:1.25*1.00mmlength from12-50mm1.used for stitching of furniture,doors,windows,wooden boxes,rail and wooden roofs2.different sizes are available.3.customer staples design and packing require are available.Good quality,low price,best service.Choose us choose your best supply!