Eyelet Setters Easy to use, and no need for a hammer, or a collection of individual eyelet setter heads, as this innovative Fiskars springy trio combines them all into one. Over a suitable surface, place the hole punch head into position, lift the integral spring and let go. The spring coils will ‘snap’ back, creating a perfectly punched aperture. Then turn the spring over, and repeat the ‘snap’ a couple of times to set the eyelet. Comes with instructions back