This set of interchangeable knitting pins contains: 5 pairs of 10cm (4in) interchangeable tips in sizes, 3.25, 3.75, 4.0, 4.5 & 5.0mm; 2 nylon-coated, stainless steel swivel cords in sizes 40 and 50cm (cord length denotes complete needle length); 4 wooden end caps, 2 tightening tools and 5 colourful tassel stitch markers. Everything comes in a beautiful embroidered Khadi soft silk zippered case to keep your knitting needles safely stored and organised. The knitting pins are made from ebony wood, sourced from Indian government authorised wood stock yards.