ADJUSTABLE SIZE - The adjustable length of each shock absorber is from 45 cm to 70 cm, and the corresponding height is 4 cm. Widely used in household appliances and sofas, table legs, cabinets, etc. Install it to move appliances and furniture. Below are 24 pulleys Shock absorber support - The shock absorber is made of thick aluminum alloy and 24 rubber pulleys, which have a better load capacity than rubber shock absorbers. Shock absorber withstands heavy loads of washing machine/refrigerator and is suitable for all floors Bearing capacity – the shock absorber withstands most household appliances and does not slip. The maximum load is 330 kg. Corrosion resistant, moisture resistant, strong material is not easy to damage Non-slip noise reduction - The non-slip design of the brake pads on both ends and the brake lock buckle can minimize the ambient noise and vibration of the machine. Avoid contact of the washing machine with wet floors. You will effectively protect any soil. Easy installation - no tools or adhesives required. Simply place 2 shock absorbers under the corner of your washing machine, dishwasher, dryer or other noisy appliance Specification: Material: carbon steel Adjustable length: 45-70 cm Load capacity: 330kg Package includes: 2x roller guides for moving furniture