4 PCS M3X7+4.5 Flight Controller Anti-Vibration Fixed Screws for FPV Racer--Test&Review

[stacytoydrone]

Hi, everyone, if this post break the rule, just delete it. Thanks.
Our company provide recently has this new product. Does anyone help us to test and review this product here?

• Flight Controller Anti-Vibration Fixed Screws，make the quadcopter more stable.
• Material:Ultra Hard and Durable Alloy Steel.
• Compatible with:QAV250 QAV-R 220 Flight Controller For Naze32 CC3D F3
• 100% brand new and high quality.
• Size:7mm*6mm*3mm,2.5g per set.

Please PM me for more info if you would like to try. Thank you.