This RJ45/RJ11 tool makes it easier to trim patch cords into any lengths you need. This handy all-in-one tool allows you to terminate a RJ45 plug with a stranded four-pair, unshielded, twisted-pair cable. Now you can crimp, cut, and strip with one convenient tool. It won't damage the shelled-wire and works with high efficiency. For 4, 6, 8 poles modular connectors.Suited for network cable with RJ45 CAT5, CAT6 ; CAT7 Connector and ADSL Cable with RJ11 Connector., Manufacturer: JUSTOP LIMITED