Zing Interchangeable Needle Set comes with 7 needle tips in sizes from 3.5mm to 6mm. Needles are manufactured from superior grade lightweight metal and come in a rainbow of bright metallic colours. Shiny silver tips are smoothly pointed. A smooth join ensures easy stitch glide and no snagging, while resilient, flexible cords lay flat with no kink or twist. Needle size is laser printed on needles. Set includes 4 different sized cords, 4 end caps and 2 cord keys.