The GRANIT 1256015550 is a high-quality tension pulley designed for various agricultural and garden machinery, specifically compatible with models from Castelgarden, Stiga, Mountfield, GGP, and Alpina. This durable pulley features an 88mm outer diameter, a 16mm bore diameter, and a height of 25mm, ensuring precise fit and reliable operation in demanding applications. It serves as a direct replacement for OEM part numbers 1256015550 and 256015550 from these brands, providing an efficient solution for maintaining optimal belt tension and performance.