Specs: Description: Bar Nut, Package of 2, Priced per pack, sold per pack, Thread: 8 x 1.25mm. Replaces OEM Numbers: GB: BN1, Stihl: 0000 955 0801. Compatible With/Replacement For: Stihl: 028AV, 032AV, 034AV, 041AV, 042AV and 045AV. Stens 1 year warranty ensures reliability and performance for every part. Stens branded parts are trusted by professional dealers to perform OEM quality repairs.