ITEM NAME:Shaft RC Couplers Metal Screw Set Truck Driving Upgrade Part for WPL 1/16 1/24 Descriptions: 100% brand new and high quality! All steel telescopic transmission shaft, transmission shaft has a variety of specifications can be selected. The center diameter of the transmission shaft is 6 mm, and the diameter of the two universal joints is 7 mm. Integrated molding, spline design, smooth transmission without jitter, high degree of authenticity. Maximum 70mm minimum 50mm outer diameter 7mm. For example, the 3*3 drive shaft indicates that both ends of the universal joint bore diameter is 3MM, and the total length of the joint can be expanded between 40-50mm. &;nbsp; Specifications: Material: Metal Size: Maximum 70mm, minimum 50mm, outer diameter 7mm Color: Silver Suitable:&;nbsp; for WPL 1/16 Rc Car, 1/24 Rc Car and all toy military trucks on the market (B-14, B-24, B-16, B-36, C-14, C-24) Package includes: 2 x Driving Shaft 1 x Screw Set Notes:&;nbsp; Transition: 1cm=10mm=0.39inch&;nbsp; 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!&;nbsp; 2. Please allow 1-3cm measuring deviation due to manual measurement..Suitable:&;nbsp; for WPL 1/16 Rc Car, 1/24 Rc Car and all toy military trucks on the market (B-14, B-24, B-16, B-36, C-14, C-24). 2 x Driving Shaft. 1 x Screw Set. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.