The Swisher Trimmer Replacement String Pack provides the perfect cutting solution when that last strand finally gives up. This heavy-duty nylon trimmer string boasts a diamond-cut line designed to deliver mercilessly sharp, precise cutting for the life of the string. Swisher Trimmer Replacement Strings fit any Swisher trimmer mower and measure .155" x 18". Each pack includes 36 trimmer strings. Made in USA. Manufacturer model #: P3618. Heavy-duty nylon trimmer string Diamond-cut line design provides sharp, precise cutting Compatible with any Swisher trimmer mower Dimensions: .155" x 18" 36 trimmer strings per pack. Item(s) will ship directly from the manufacturer; delivery options and/or shipping upgrades are unavailable. Please allow 7-10 business days for delivery. Contiguous 48 states only. A street address is required for delivery. Item is not available for ship-to-store delivery.