Based on this product's specifications, here are some alternatives and similar models
Chain for chainsaw McCulloch 45 cm / .325" pitch / 72 drive links / 1.5 mm gauge PowerCut
Summary description:
Replacement saw chain compatible with McCulloch chainsaws, 45 cm cutting length, .325" chain pitch, 72 drive links and 1.5 mm gauge (PowerCut). Designed for cutting wood and general-purpose forestry tasks, this 72-link chain fits bars and sprockets matching these specifications and is suitable for maintenance and reconditioning of worn chains.