OMPHOBBY M4 Helicopter Washers (Main Blade Grip Set) OSHM4093 Sale! from 243 /per Qty. Sold Out This is a replacement main blade grip set washers for the OMPHOBBY M4 Helicopters Contents Washer Φ3xΦ6.5x0.5-8Washer Φ5xΦ6x0.5-8 Qty available:0 SKU:OSHM4093