Large box of 500 grams, suitable for workrooms, sewing classes etc. These pins are a prime choice for professional and hobby dressmakers when it comes to pinning. These nails, made of hardened steel, also have a balanced spring stiffness in addition to good rust protection. Their sleek, tapering tips penetrate all fabric without harming the fibre and can be perfectly grabbed and inserted using the specially-shaped head. Prym offers these universal steel pins in various storage boxes.