ITEM NAME:Clutch Drum Sprocket Kit For 018 MS170 MS180 Description: 3/8 7T Clutch Drum Sprocket Washer E-Clip Kit Fits for STIHL 017 018 021 023 025 MS170 MS180 MS210 MS230 MS250 Chainsaw Replace Parts OEM: 1123 640 2003 / 9460 624 0801 / 9512 933 2260 / 9460 624 0801 Depending on the size of the machine design, easy to install, long service life Material: Metal Size: 7 x 7 x 2.5cm/2.75 x 2.75 x 0.98in Package Includes: 1 x Clutch Drum 1 x Needle Bearing 1 x Clutch Washer 1 x E-Clip Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. SKU: FUZ0016926560029665.Fits for STIHL 017 018 021 023 025 MS170 MS180 MS210 MS230 MS250 Chainsaw. 3/8 7T Clutch Drum Sprocket Washer E-Clip Kit. 1 x Clutch Drum. 1 x Clutch Washer. 1 x E-Clip.