Compatible with HQ J40 Juicy Prop J40 — 20pcs (5 packs) of SBANG FPV polycarbonate 5' props, grey. Each pack contains 4 props (2 clockwise + 2 counterclockwise). Why choose these props Reliable replacement and spares: Five packs give you 20 props so you can blades after crashes or keep a ready supply for busy flying sessions. Durable polycarbonate construction: Resists chips and cracks better than brittle plastics, extending prop life and reducing downtime. Designed for 5' FPV quads: The 5.1 x 4 x 3 specification and threeblade profile balance thrust and stability for typical 5' freestyle and racing setups. Key features and attributes Compatibility: Compatible for HQ J40 Juicy Prop J40 models and other 5' FPV frames that accept the same prop geometry. Size and profile: 5.1 x 4 x 3 — 5inch diameter, threeblade design for responsive control and predictable handling. Rotation set: Each pack includes 2 CW and 2 CCW props to match standard motor spin configurations. Material: Polycarbonate for improved toughness and impact resistance compared with many stock props. Color: Grey (5 packs of grey included). Quantity: 20pcs total (5 packs of 4 props). Performance and benefits Improved crash resilience: Polycarbonate absorbs impacts and reduces the frequency of replacements after hard landings. Stable flight and consistent feel: Threeblade geometry provides smooth throttle response and predictable cornering for both freestyle and racing maneuvers. Readytouse sets: Packs are organized in balanced CW/CCW pairs to simplify replacement and setup. Typical use cases FPV freestyle and racing: Swap props between heats or after a crash to restore consistent performance and handling. Practice and training sessions: Keep spare packs on hand for long practice days or when flying with a team to avoid interruptions. Maintenance and spares kit: Ideal for builders and hobbyists who want an economical, organized set of replacement props for 5' quads compatible with HQ J40 Juicy Prop J40. What's included 20 polycarbonate propellers total 5 packs of 4 props each (each pack contains 2 CW + 2 CCW) Color: Grey Notes and compatibility reminders These props are compatible for HQ J40 Juicy Prop J40 and other 5' FPV drones that accept the same prop size and mounting pattern. Confirm fit on your motor hubs before installation. Designed for typical 5' FPV applications where a threeblade, 5.1' propeller is appropriate. Durable, economical, and ready to install — 20 polycarbonate 5' props (5 packs) for reliable spares and consistent flight performance.