Refills for 3/8" Perma-Clad nylon coated steel tape measures, in the following series: NR (Grey ABS reel) SNR (Stainless steel reel) NRS (Orange, polycarbonate, high speed reel) Refills are not available for the 1/2" wide K-Line series 18 Series - Zero Point at End of Hook 10 Series - Zero Point 12 in. from End of Tape 10H Series - Zero Point at End of Hook 10E Series - Zero Point at End of Tape Metric Series - Zero Point 12 in. from End of Tape ME Series - Zero Point at End of Tape