2 Pieces Plant Pulley Hook Retractable Hanger for Hanging Basket Adjustable Heavy Duty Plant Flower Baskets Hooks Hang High up and Pull Down : The Plant Pulley are suitable for indoor and outdoor use. Comes with hook clips for easy installation.A fantastic way to display flowers or hanging plants. BUT NOT SUIT FOR IN THE WIND OUTDOOR. How to block on different height ? 1.Take out hook 2.Pull down the strap rope perpendicularly to the ground on desired height, if it is has not block, do not immediately let go. 3.Pull out 1-3cm to block it with slowest speed ( suggest 10mm/s ), please make sure the goods weight is not less than 1.2kg or not exceed 15kg. 4.To higher, hold the plant pot bottle slowly up to the length you like and then release the plant. 5.To lower, hold the plant pot bottle up a little then let the plant weight helps fall down until the height you want , then you can release the plant Specification: Material: plastic Size: approx. 7.6 x 25cm Max Weight: under 15kg (33lb) Package Included: 2 x Retractable plant pulley 4 x Ceiling hanging hooks ?Hanging Basket Hook in the retractable area more than a dozen fixed points are available,so you can freely raise and lower flower pots or hanging baskets for easy irrigation. ?Retractable Hanger top triangle allows the plant to be hung stably, the open hook in the bottom helps the pot to be hung up and get it down anytime. ?Pull Down Retractable Hanger is very helpful for bird feeders and hanging plants,good choice for your balcony,pots,bird houses,kitchen,deck,patio. ?Plant Pulley stainless steel string and hook are strong,plant or bird will be safe with the pull down hanger.and you can adjust the height without ladder, just pull the rope to adjust.