The CLETOP S 14110501 Type A Anti-Static Ferrule Cleaning Cassette features a coarse-weave blue tape for use on 2.5-mm ferrules - SC, SC2, FC, ST, DIN and D4 connectors. This connetor cleaner comes with the easy drop-in replacement tape catridge. Capillary action lifts dirt, trapping it in micro pockets. Replacement cleaning fiber reels are available separately. Over 400 wipe per tape. (AFL Item # 14110501) (USCONEC Item # 14707) Uses Refill 14100700