Screw Driver, TTrees 7pcs Screwdriver Tool Kit for RC Helicopter RC Airplane Car Repair 1.5 2.0 2.5 mm Hex Key 4.0 5.5 mm Spanner Box 2.8mm Screwdriver 2.8mm Slot Screwdriver Elegant appearance Compact and lightweight design 7 different sizes are included to meet all your needs Ergonomically and slip-resistant designed handle for comfortable grip Especially suitable for disassemble Hex Screw in RC aircraft RC helicopter airplane and other toys