ITEM NAME:16'' 57 Links 3/8 Pitch 0.05'' Gauge Chainsaw Mill Chain fit for HUSQVARNA STIHL 16'' 57 Drive Links 3/8 Pitch 0.05'' Gauge Chainsaw Saw Mill Chain Spare Replacement SPECIFICATIONS.(3) Easy to file and sharpen deep tooth design. 4) Tilt stopper teeth, reduce recoil. Number of Drive Links: 57. Gauge: 0.05". Item included: 1 x Saw Chain. Number of blades: 28. 2) Sharp blade, great for fast cut, improves the cutting efficiency.