The Miller ® MB14-7010 is designed to unwind and separate the twisted pairs in CAT-5, CAT-5e, CAT 6, CAT 7, and other similar sized cables for quick and easy termination Speeds up the twisted pair separation process Compact, easy to use design is great for on-the-go use Eliminates twisted pair damage during separation Two convenient sizing guides Ergonomic body reduces hand and finger fatigue