Description: High graded carbon steel, durable Fit for most Chainsaw Easy to Install and Use Specification: Material: Special Tool Steel(Chain) Carbon steel(Files) Cross section shape: pointed round file Type of file: medium tooth File cut type: double grain FILES Length: 250mm FILES Diameter: 4mm Chains Size: 3/8" Chains quantity: 50 52 Chain Hole Dia.: 3mm Fitment: Chain Fits for: McCulloch 335 338 435 438 463 14" Chain installation: Put the guide tooth stuck in the guide slot, the head is facing forward Package Included: 2 x CHAINSAW FILES 1 x 50 CHAINSAW Chains 1 x 52 CHAINSAW Chains