Check the listing for details. 2pcs Universal 3/4/5/6mm Joint Coupling Coupler Connector For RC Model Car Boat. Condition: New. Listed at 3.90 USD. 2pcs Universal 3/4/5/6mm Joint Coupling Coupler Connector For RC Model Car Boat Description Metal joint suited to use direct axis motor, Suitable for model cars model ships,robots,and other metal adapter to useSpecification:4mm To 3mmUniversal Joint Outside Diameter:9mmUniversal Joint Length:23mmScrew Size: M34mm To 3.175mmUniversal Joint Outside Diameter:9mmUniversal Joint Length:23mmScrew Size: M34mm To 4mmUniversal Joint Outside Diameter:9mmUniversal Joint Length:23mmScrew Size: M34mm To 5mmUniversal Joint Outside Diameter:11mmUniversal Joint Length:23mmScrew Size: M45mm To 5mmUniversal Joint Outside Diameter:11mmUniversal Joint Length:23mmScrew Size: M46mm To 6mmUniversal Joint Outside Diameter:11mmUniversal Joint Length:23mmScrew Size: M4Package Includes: 2x Universal Joint Coupling4x Screw1x Allen Wrench (CZ0815_x2)-(CZ0820_x2) Payment only Delivery details When we receive your payment, we will be help you arrange shipping in 1-2 working days. All our parcels are shipped via China Post.Can provide Following two Delivery mode： Airmail It takes about 7-25 days EMS/DHL (Express Mail Service): It takes about 5-14 days Please, make sure to provide us with correct, precise, and detailed shipping Address. If you don't receive items over 30 business days , please notify us. Terms of sales Buyer should expect to pay any amount charged by the government of bidder's country; this includes but not limited to duty & tax Shipping & handling fees are non-refundable. If you havent received the item in one month, we will refund to you. （PLEASE INSPECT YOUR ITEMS WHEN THEY ARE RECEIVED） About us Once you receiving the item with satisfaction, please leave us positive feedback, and 5 STAR DSR. Thank you! Once you Feel dissatisfied with the projects received，please first and us use E - mail contact and communication，Do not very direct and impulsive give a Neutral or Negativ！Because the Neutral and Negativ can not solve any problems! Thanks!