4 inch: Color: Black red green Weight: 6.8g/pc Screw: M2 x 9mm Package weight: 39.7g Package size: 200mm x 150mm 5 inch: Color: Black red green Weight: 9g/pc Screw: M3 x 10mm Package weight: 53.6g Package size: 200mm x 150mm Compatible with 18 series motor Package included: 1Set x propeller guards