Coolplay 24 PCS Blades Props Rotor COMBO Propellers Replacement for Hubsan X4 H107 H107D H107C H107L Spare Parts for RC Quadcopter - White+ Black Super balance with stable performance Ultra durable & light weigh; Product length: 5.5mm Completely compatible with Hubsan X4 H107 H107D H107C H107L Quad Great to have on hand for easier replacement Package included: 6 sets=24pcs Propellers(12 black,12 white)