The lift ladder are made of for and durable use. Using them to stabilize your telescopic ladder will your safety when you are working on them. They are easy to install and operate, dont need to worried about. Features - Color: Black. - Material: Plastic. - Size: About 3.40X3.00X1.50cm/1.34X1.18X0.59inch. - High-selected material, durable and strong for long time use. - You can also use these to replace the old or broken one. - Light weight and small size, they can be easily carried around. - The telescopic ladder are and reliable to . - They your ladder more stable after installing them. Package list: 8 x ladder lift Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.