This chain puller is manufactured using high quality tool grade steel and is one of the highest quality and longest lasting chain pullers on the market. CP3 Chain puller/ holder is manufactured to work with a wide range of chain sizes including; #80, #100, #120, #140, #160, #180, #200, 24B, 28B, and 32B roller chain. This chain puller is a high quality, durable, and dependable tool.