OMPHOBBY M4 Helicopter Washers (Tail Blade Grip Set) OSHM4096 Sale! from 243 /per Qty. Add to Cart This is a replacement tail blade grip set washers for the OMPHOBBY M4 Helicopters Contents Washer Φ2xΦ4.5x0.2-8Washer Φ3xΦ4.5x0.2-8 Qty available:1 SKU:OSHM4096