Oregon D72 AdvanceCut 20-Inch Chainsaw Chain, Fits Husqvarna, Remington, Makita, Stihl and others Pitch: 3/8", gauge: .050", 72 drive links, sharpens with 7/32 in. (5.5mm) file LubriTec keeps your chain and guide bar oiled for less friction and longer life Top-Plate Filing Indicators make accurate sharpening easier Exclusive OCS-01 Steel provides greater durability For saw sizes 50-100 cc