HiyaHiya Knitting Safety Pins (10 Pack) HISAFETY 1 x HiyaHiya Knitting Safety Pins (10 Pack) HiyaHiya Knitters Safety Pins have a rounded end to fit over needles up to US 9 (5.5mm) Package of 10 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