FUNKEY 680mm CARBON REINFORCED FIBREGLASS BLADES SILVER 60-90 SIZESpecifications: Length: 680mm Width: 60mm Grip: >=14mm Hole: 4-5mm Airfoil: Symmetrical Tip: Curved Common Application: 60-90 size RC Helicopters. Features: Carbon Fiber Reinforced Precisely Balanced Supreme Performance Blades you can rely on Includes: 1x 3D/holographic decal sheet 4x 1mm thick washers 4x 2mm thick washers 2x Spacers