The ALM Manufacturing Replacement Chainsaw Chains to fit a wide range of chainsaw makes and models.The ALMCH050 Chainsaw Chain has a 3/8 inch Low profile (L/P), 0.043in guide bar slot 0.375 mm and Low profile (L/P) 1.1 mm guide bar slot. This chain is made to fit the B&Q / McCulloch / Performance Power / Stihl ranges and suit saws with a 35cm bar and chain with 50 drive links including:PWR1700CSB, PP35CS / Electramac 335, Electramac 414, Electramac 441 / MS180, 020, 021, 023