Professional chain with WIDIA teeth 3/8" chain pitch 0.50" (1.33 mm) Heavy-duty chain with WIDIA teeth designed for use in heavy-duty, abrasive conditions and in the presence of debris. It maintains the cutting capacity even in contact with the ground, even sandy (e.g. cutting roots or stump of a tree close to the ground), in working wood worn by fire, etc. Also ideal for cutting construction beams, even dry ones, even of very hard wood such as TEAK The very hard coating on the tooth guarantees a duration at least three times longer than a high-quality hardened steel chain in heavy use. In this advertisement we propose a 3/8" pitch chain, drive link thickness 0.50" (1.3mm), select the number of links of the required chain from the drop-down menu. Compatibility with acronyms of other chain brands for pitch and thickness comparison: on the drive link of the Oregon chainsaw chain is indicated the abbreviation 91 (If your Carlton chainsaw chain the abbreviation N1 , if McCulloch the abbreviation M370 , if Stihl the abbreviation 63 , if Windsor the abbreviation 50R , if Husqvarna the abbreviation H35 ). How to count chainsaw teeth: WIDIA teeth Reference : 452930 8055112358336 MAYA