10PCS Mini Propellers 46mm 2-Blades Nylon Positive and Negative Propellers for RC Airplane Plane Helicopter DIY Model Toy Accessories

["Color：Black","Material：Made of nylon plastic,sturdy and lightweight","Size：Length approx. 46mm/1.81\",hole diameter 0.8mm/0.031\"(Before purchasing,pleace check the product size)","Package Includes：Total 10pcs, 5pcs positive propellers,5pcs negative propellers","Application： 2-Blades Positive and Negative Propellers for rc airplane,plane,helicopter,diy model toy,meet your diy project needs(Note：If side A is installed on side B, it will not rotate and must be readjusted.before purchasing,please check the hole diameter size,our propellers hole diameter size 8mm)"]