FUNKEY 610mm CARBON REINFORCED FIBREGLASS BLADES SILVER 50 SIZESpecifications: Length: 610mm Grip: >=12mm Width: 55mm Hole: 4mm Airfoil: Symmetrical Tip: Curved Common Application: 46-50 size RC Helicopters, 60-90 size Multi-bladed RC Helicopters. Features: Carbon Fiber Composite Precisely Balanced Supreme Performance Blades you can rely on Includes: 1x 3D/holographic decal sheet 4x 1mm thick washers