Retractable Clothesline pulls out to any length up to 40 ft. Retracts automatically. To mount simply place mounting plate against surface to be used. Level and mark hole locations. Install screws leaving enough space to hang the mounting plate. If mounting on surface other than wood, use appropriate hardware. Screw eye hook into surface of opposite wall not more that 39-1/2 in. away, allowing 6 in. to wrap around reel hook.