Brass Tube Sleeve Brushless Electric Boat Drive Shaft 355mm x 4mm Product Name : RC Boat Drive Shaft;Shaft Dia. : 4mm / 0.16" Tube Size : 8mm x 300mm /0.3" x 11.8"(D*L);Total Size : 355 x 8mm /13.9" x 0.3"(L*Max.Dia) Material : Stainless Steel, Brass;Color : Silver Tone, Brass Tone Net Weight : 69g Package Content : 1 x RC Boat Drive Shaft