Velos eyelets brass no1 20320050 pack of 500 these rexel eyelets punching bolts in brass are tough enough for everyday use the eyelet punching bolts are copper plated and are suitable for use with the velos eyeletter punch they measure 47mm in diameter and 32mm in length and can punch up to 15 sheets at once these eyelet punching bolts are supplied in a pack of 500 and come with a 5 year manufacturers warranty copper plated brass eyelets for use with the velos eyeletter punch 15 sheet