A set of custom machined aluminum spacers suitable for all QAV airframes. Includes 10pcs of 35mm long spacers (for the clean section) and 10pcs of 10mm spacers (for the dirty section). Some QAV airframes require more than 10pcs of the long spacers. Please check your frame before ordering. Spacers have female M3 threads on both sides. Screws are not included.