Chain specs: 28" - 93dl /3/8"/.050" - The Husqvarna H46X chain is a high-performance, low-vibration chain with square-corner "chisel" cutters for high-production cutting of clean wood. Recommended for professional use on 50cc to 100cc saws. Fits these Husqvarna Chainsaw Models: 61 | 66 | 266 | 288 XP | 36 | 372 XP | 385 XP | 390 XP | 394 XP | 395 XP | 3120 XP | 562 XP | 570 | 575 XP | 576 XP