Fits stretch cord 0.5 mm: Beadalon crimp tubes provide a secure hold on various types of bracelet elastic strings such as Elasticity and Elonga stretch cord. Durable Hold for Stretchy String Bracelets: Use a standard Crimp Tool to secure the crimp tube on the stretchy string for bracelets, elastic for bracelet making, or bracelet cord. Easy to Use with a Variety of Bracelet Elastic Strings: Whether you're working with clay bead string, bracelet-making string, or elastic string for bracelet making, these crimp tubes are compatible. Ideal for Elastic Bracelet Projects: Beadalon crimp tubes are an essential accessory for anyone crafting with bracelet string elastic or stretchy string for string bracelets. Beading & Jewelry Making: These crimp beads are essential for creating durable string bracelets and ideal for finishing ends on elastic cord for bracelets and bracelet elastic string. UPC 035926116993 ASIN B00DDON28M Color Silver Brand Name Beadalon Finish Type Plated Item Weight 9.07 g Manufacturer Beadalon Model Number 346B-020 Material Type Silver Item Type Name Crimp Tubes for Stretch Cord Number of Items 1 Number of Pieces 80 Warranty Description Na. Manufacturer Part Number 346B-020 Global Trade Identification Number 00035926116993