306 piece grub screw assortment affix 49 0189 this 306 piece grub screw assortment features the following pieces br br 120 grub screws din 913 45h m2 x 5mm m6 x 10mm br 120 grubscrews din 914 45h m2 x 5mm m6 x 10mm br 60 grubscrews din 916 45h m3 x 6mm m4 x 12mm br 6 pin spanners din 911 steel for m2 m2 5 m3 m4 m5 m6affix grub screw assortment in case with keys 306 piece