·Maximum high lift: 54``

·. Maximum door height: 180`` + Hi Lift

·. Rated lifting weight per drum: 500 LBS

· Maximum cable diameter: 3/16``

· 3/8`` - 16 * 1`` hardened cup point set screws installed with heads

· Use on 1`` solid shaft with 1/4`` keyway

·. Color coded (red - left hand) (black – right hand)