Outer & Inner Flange Lock Blade Bolt Key for Rockwell 10cm

Kit included :Outer Flange, Inner Flange, Hex Key and 2 different size of locking screw Kit Designed for the Rockwell / Worx 4.5″ Saw/ Porter Cable 4.5″/ Tacklife 4.5″ compact saw IT NOT for Rockwell 3-3/8″ Versacut saw RK3440K RK3551. WORX WX420L (the locking screw is good but the outer flange is not fit) This is aftermarket kit , but fully compatible Outer & Inner Flange Lock Blade Bolt Key for Rockwell / Worx 4.5″ compact saw Upgrade Version, come with 2 different size of locking screw for new and old version compact saw (grey and green handle )