This is a Red-White-Blue Foam Blade Holder for the Helimax MX400 and other mini sized helicopters. FEATURES: Fits snugly onto the tail boom and then the blades slide into it to keep them firmly in place. INCLUDES: One mini blade holder SPECS: Has 2 slots about 1.45" (36mm) Wide for the Blades Width: 2.25" (57mm) Height: 5.1" (130mm) Thickness: .5" (13mm) kpm02/08/2006 ir/jxs