Fiber Optic Sheave Mounts are an  ideal  solution  to mid-point cable pulling situations. The adjustable sheave mount allows pinpoint adjustment from horizontal  to vertical. Portable  components  set  up   quickly  and adjust from job to job, offering maximum versatility with minimum equipment. Uses  a  standard  2 1⁄2"  (64 mm) square mounting post for use with Fiber Optic Cable Puller Remote Mounting Stand or  Mounting  Sockets.