Features The Crew Box of 5 HRF hog ring stapler is used in conjunction with a poly vinyl flax string or tape. This stapler binds branches to your trellis with wire staples or bind vines with binding twine string line. The HR-F increases tying efficiency by 3 times. Simply wrap your tying material around what you want to tie and staple. A hog ring type staple binds the string together. Then slide the ends of your tying material through the cutter. Staples and blade are required for use with tool. - SKU: ZNPT531