Rapid 23391500 5/16-Inch 19 Series Fine Wire Staples with R19E and R23, 5000 Per Box Go to amazon.com Related posts Best 8mm staples Feature8mm fine wire staplesStandard strip lengthUse with Rapid R19E and R23For light duty work5,000 per box Description19 Series Fine Wire Staples, for light duty work and decoration. Comparable with JT21. 5/16-Inch use with R19E and R 23.