164 Pcs M2-M10 Woodruff Keys Flywheel Pulley Crank Way Key Assortment Kit For
Item Type:Woodruff Key. M10 x 32mm x 13（3pcs）. Lighter weakening of the shaft and keyway stress concentration is small. M2 x 10mm x 3.7（10pcs）. M2.5 x 10mm x 3.7（15pcs）. Made of fine material of long service life and good durability.