Item Type: OTDR Fiber Optic Test Extension Cord Material: ABS Model: AUA 20 Connector: SCAPC SCAPC Single Mode 1Push Pull Lid Design: This patch cable box is designed with a push pull lid, you can take out the patch cables by pushing up the lid, and then push it again to hide the patch cables after you finish using them, avoiding cluttering. 2Compact And Portable: This patch cable box is small in size and light in weight, so it is very convenient to go out and carry it with you. 3Excellent ABS Material: This patch cable box is made of excellent ABS material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. 4Wide Application: This patch box is suitable for single mode cable 1310 or 1550nm, and OTDR fiber optic launch cables are used to measure loss and reflectivity of near end connections, as well as to insert fiber optic lines remotely and non destructively using the OTDR. 5Main Functions: This patch cable box is mainly used to make up for the OTDR test blind spot without any fusion splice head in the middle of the fiber.Most of the cable length is bare fiber, which can not be taken out, leaving only about one meter interface pigtail at both ends. 1 x Extension Cable Box 2 x Accessory 1 x Lanyard