Check the listing for details. 1PCS Flex Collet Coupler for 4mm Motor Shaft & 4mm Flex Cable RC Model Boat. Color: Metallics, Condition: New. Listed at 8.99 USD. Features: This stainless steel flex coulper / collet with two grub screws fits for 4mm motor shaft and 4mm flex cable for RC Model boats. It's for round end cable. Specifications: Length: 31mm (1.22") Weight: 14g Material: stainless steel Shipping package: Coupler: 1 PCS Payment:Please make payment in 3 business days after the bid. The buyer is responsible for paying any amount charged by the government of the buyer's country. This includes, but is not limited to, any duty, tax, GST, COD or similar charges. Shipping: The item will be shipped to your eBay address. Please make sure your eBay address is correct. Delivery normally takes about 15-45 business days, depending on what area you are from.Will ship worldwide.Combined shipping cost is offered for multiple items purchased. Contact us: For any further questions, please feel free to contact.