The Fayelume 20 PCS Small Pulley, offering a reliable and efficient solution for linear motion systems, especially compatible with the V623ZZ. This powerful and compact pulley is designed with small bearings, enhancing durability and smooth operation. The V groove bearing guarantees a stable and highly accurate motion, ensuring smooth and trouble-free movement. The double shielding design ensures protection against dust, moisture, and contamination, making it perfect for various industrial and commercial applications. With a width of 3x12x4 mm, this tiny pulley is perfect for those who need a high-quality, space-saving alternative to traditional pulleys. It's time to elevate your linear motion system to new heights with the Fayelume 20 PCS Small Pulley.