Festool FE-FS/SZ-OF 1010 Fine adjuster for guide stop - 488754 for OF 900, OF 1000, OF 1010, OF 1010 R, KF Brand New Free Postage The fine adjuster allows the guide rail adapter to be adjusted very precisely. One graduation mark corresponds to 1/10 mm, one rotation corresponds to 1 mm. For easy readjustment when working with a guide rail adapter easy-to-read scale Fast setting of the desired routing distance in the 1/10 mm range
eBay