HiyaHiya Interchangeable Needle Tips 5-inch (13cm) Sharp Steel; Size US 9 (5.5mm) HISSTINTIP5-9 1 x HiyaHiya Interchangeable Needle Tips 5-inch (13cm) Sharp Steel, Size US 9 (5.5mm) HiyaHiya SHARP Steel Interchangeable needle tips are made with high quality stainless steel HiyaHiya SHARP Steel interchangeable needle tips have nearly invisible screw on joins and a smooth but not too slippery finish Lifetime Product Warranty: If purchased from an authorized dealer, HiyaHiya guarantees all products against all manufacturing defects; warranty excludes products damaged due to accident, misuse, abuse or negligence