127 cm extended rails are made of thick aluminum alloy, thick thickness is 0.12 inches / 3 mm, rugged, very different from the ball bearing on the market. The surface is oxidized, and the maximum load capacity can reach 160 pounds (about 72.6 kg). The telescopic connecting rod is used to connect two rails, which can adjust the width range of 350 mm to 1450 mm; it can be easily stretched to the desired length as needed. Cabinet pulleys can be mounted on the bottom of the cabinet or table, which makes the furniture more easily dragged and keeps fixed, mute, and noise reduction. This feature allows your furniture to move smoothly, smooth and soft. Smooth stretching can hide furniture, flexibly extend the available space. This accessory is powerful and can be applied to many aspects, such as cabinets, desktop bases and ordinary storage drawers, etc., you can imagine design according to your needs., Manufacturer: Shun Yingtong