ITEM NAME:M8 Bar Nut Stud Screw Chain Catcher fit for STIHL 026 036 038 MS260 MS360 MS380 Collar Screw M8 Bar Nut Stud Chain Catcher Fit for STIHL 026 036 038 MS260 MS360 SPECIFICATIONS.(Compatible With: fit for STIHL MS260 MS360 MS380 026 036 038 CHAINSAW. Collar Screw M8 Bar Nut Stud Chain Catcher Fit for STIHL 026 036 038 MS260 MS360. 2) Perfect match for the original one. 5) Replace OEM Number: 0000 953 6605, 1125 650 7700, 0000 955 0801.