Crimp Bead Knot Covers Quantity: 50 Crimp Covers Quality: Excellent Gloss: Excellent Color: Antique Silver Size: 5MM Other: Use these crimp covers to cover crimp tubes, crimp beads or knots and also fill in unexpected gaps in your creations. A wonderful neat idea! Simply slide on and use your crimping tool to gently close the cover into a perfect rounded 4 mm seamed bead. We have a variety of this type of beads, plus many more in our eBay store!