Rocket 40 S/L Aluminum Water Cooling Jacket for 4074 4082 4092 RC Boat Brushless Motor Size 4:40-S Shrapnel is specially treated with

Shrapnel is specially treated with beryllium copper

Automatic strobe flashing Automatically

-- Driven by a large torque TT motor

or we will send you the black color

Rocket 40 S/L Aluminum Water Cooling Jacket for 4074 4082 4092 RC Boat Brushless Motor Size 4:40-S Shrapnel is specially treated withDescription: Item Brand: Rocket Item Number: 40 S,40 L(optional) Item Name: Water cooling jacket Material: Aluminum Color: Black Product Size: Hole Diameter: 4. 5mm Jacket inner outer diameter: 40 mm 48 mm Jacket Length: 56 mm (40 S) 71mm (40 L) Product Weight: About 47g Packaging Weight: Approx. 78g Fit For: 40 S: 4074 4082 rc boat brushless motor 40 L: 4092 rc boat brushless motor Package included: 1X Water Cooling Jacket