QUALITY - Aftermarket bar nuts are made with the highest quality metals and construction to replace any lost or damaged bar nuts on many chainsaw models

VERSATILE - Replaces Stihl 000 9550 0801 Nuts that are common among many models of Stihl saws, such as Stihl 017 018 019 023 025 036 038 039 041 044 046 051 064 066 MS170, MS362, MSE250, MS391, MS250, MS251, MS271, MS291, MS311, MS391 and more

JUST LIKE THE ORIGINAL - When you don't tighten your nuts enough on your chainsaw and have hard work ahead felling trees (soft or hardwood) make sure you have extra bolts, nuts, attachments, and a bolt wrench (not included) for a quick fix.