Description: Fit Models: FS75, FS83, FS85, FS90, FS100, FS120, FS130, FS200, FS250, FS460 25.4mm diameter, square drive. Replaces part number 4137 640 0100. Material: Metal Size: approx. 17x 10x 8cm/6.7x 3.9x 3.1inch Package Includes: 1 set of gear box head kit Note: Please allow 1-3mm error due to manual measurement, make sure that you do not mind before you bid. The picture can tell more than we can, what you see is what you will receive, please make sure it will fit your machine before bidding it
