FeaturesMakes vertical cable pulling easier - locking mechanism opens during pull and re-engages when cable is releasedAccepts wide range of cable sizes (75) 4-pair UTP Cat 5e, (47) Cat 6, (10) 25-pair UTP, (1) each 100-pair through 600-pairRounded edges help prevent cable damageValuable space savings within telecomm closetsMore versatile allowing future additions of cable runsReduces installation timeAllows cable installation to start at the bottom floor