Variety Pack Memory Wire End Caps. 24 - 3mm ball, 24 - 4mm ball, 12 - corrugated, 12 - sparkle, Silver Plating, 72 pieces per pack. Finish off remembrance memory wire designs with end caps for a professional look. End caps are open on one side to acommodate remembrance wire. Secure the end cap and last few beads with an adhesive for a fast and easy finish.