Used to help control and train fabrics such as folds and pleats in polyester or faux silk fabrics.Fastener is so small it s less visible in fabrics and easy to pull off.The micro basting/tacking is the smallest in the industry and will leave the smallest hole in the fabric.22-ST35 Micro Basting/Tacking Gun is used for applying 22-ST36 micro fasteners only.Not for Tamper resistant application.Easy to replace needles. Use 22-ST35-A needles only.22-ST36 Micro Basting/Tacking Fasteners have 120 fasteners per strip, 3/16 long with 1/8 cross bar.