AMANA #45904 CORE BOX ROUTER BIT 1/8 RADIUS, 1/4 SHANK AMANA #45906 CORE BOX ROUTER BIT 3/16 RADIUS, 1/4 SHANK AMANA #45918 CORE BOX ROUTER BIT 3/8 RADIUS, 1/4 SHANK AMANA #45926 CORE BOX ROUTER BIT 1/2 RADIUS, 1/2 SHANK AMANA #45928 CORE BOX ROUTER BIT 5/8 RADIUS, 1/2 SHANK