This 70mm v2 black water jet is much better than V1 grey. Water jet shaft is 316 stainless steel. Coupling size is 6mm to 8mm. The jet's gasket is a bearing(stainless steel). The grey v1 water jet max thrust ≥25kg/250N.
Jet Water Thruster 70mm Stainless Shaft Couplings are ideal for RC boats and surfboards that require high power and durability.
