ITEM NAME:10x M8 Chainsaw Guide Bar Nuts For Stihl 0000-955-0801 024 026 029 044 046 MS360.CAN BE USED ON THESE MODELS: 009, 010, 011, 012, 017, 018, 019T, 020T, 021, 023, 024, 025, 026, 028, 029, 030, 031, 032, 034, 036, 038, 039, 041, 042, 044, 046, 048, 064, 066 MS170, MS180, MS181, MS190T, MS191T, MS192T, MS200T, MS210, MS230, MS240, MS240, MS241, MS250, MS260, MS261, MS290, MS271, MS310, MS340, MS360, MS361, MS362, MS380, MS390, MS440, MS441, MS460, MS461, MS660, MS661, etc.