Home / Propellers / Warp Drive Props / Warp Drive Replacement Parts / Prop, Clamp, Bolts (4) Prop, Clamp, Bolts (4)$10.00 Prop, Clamp, Bolts (4) quantity Add to cart SKU: PRW386 Category: Warp Drive Replacement Parts Description Description 1/4″ X 3″ Fine threads Bolts used to clamp Standard Hub Plates. 4 per blade/ Set consists of hardware to clamp one blade. Includes washers and nuts.