Features: Wide Range Application: The remote control boat water thruster/other accessories could compatible with RC boat toy, high speed RC boat of 1/8 1/10 scale, use as the replacement part of your RC boat accessories, designed for the sailing environment, especially in shallow water. RC Boat Thruster/Motor/Radiating Pipe/Propeller: A perfect replaceable kit and modified parts for your remote control boat, which offer your RC boat toy new service cycle. Stable & Durability: The RC boat jet pump spray thruster and accessories which are excellent modified accessory for remote control water boat toy, modified your rc boat toy and more durable & stability for better playing experience. Selected Material: Use durable plastics and metal material, with well resistant of abrasion and erosion, more stable with good performances for RC boat. Easy Installation: Applicable for most RC boat toy requirements and easy to install and change by your own, if you need any further instructions please do not hesitate to contact with us. Package Includes: Type A: 1 x RC Boat Thruster Type-B: 1 x 540 Brushed Motor Type C: 1 x 540 Radiating Pipe Type-D: 1 x RC Boat Thruster, 1 x 540 Brushed Motor, 1 x 540 Radiating Pipe Type E: 1 x RC Boat Thruster, 1 x 540 Brushless Motor, 1 x 540 Radiating Pipe Type F: 2 x Propellers Specifications: Material: Metal, Plastics Product Size: approx. Thruster 150x 45x50mm/5.9 x 1.77x 1.96'' Propeller 26mm/1.02'' Radiating Pipe Length 71cm/27.95 '' Motor 7.5 x 3.5cm/2.95 x 1.37 '', motor shaft core 3.17mm/0.12 '', Coupling 3.17mm, coupling outer diameter 13mm/0.51 '', coupling length 19mm/0.75 '' Type Option: A(RC Boat Thruster)/type-B(540 Brushed Motor)/C(540 Radiating Pipe)/Type-D(RC Boat Thruster+540 Brushed Motor+540 Radiating Pipe)/E(RC Boat Thruster+540 Brushless Motor+540 Radiating Pipe)/F(2Pcs Propeller) note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.