addi Click Turbo HeartStopper End-Caps PRICE: Includes 1 addi Click Turbo HeartStopper End-Caps addi HeartStopper end-caps are a versatile addition to the most comprehensive interchangeable knit and crochet system available, the addi Knitting Needle Click System PRODUCT AUTHENTICITY: Item is designed and manufactured in Germany by addi for the North American markets designated by the Skacel package logo and Exclusive Blue Cords LIFETIME WARRANTY: Item is covered by Skacel's lifetime warranty from any manufacturer's defect, deficiency or imperfection