body { font-size: 75%; color: #000; font-family: Open Sans,Arial,Helvetica,sans-senif,SimSun,"宋体"; line-height: 1.3; } dl { margin: 0px; width: 480px; float: left; } dt { width: 100px; height: 15px; float: left; } dd { width: 240px; height: 15px; float: left; } dl dt { margin: 0px; line-height: 22px; color: #474747; font-size: 14px; font-family: tahoma; } #product-desc { width: 100%; height: 209px; } #description { width: 100%; height: 50%; } #details { width: 100%; height: 50%; } .ui-box-title { height: 30px; font-size: 15px; font-family: tahoma; font-weight: bold; background-color: #ddd; text-anchor: inherit; padding-top: 8px; margin: 0px; } .ui-box-body { margin: 0px; } #tbspecifics { border-right: 1px stable black; border-bottom: 1px stable black; } #tbspecifics tr { height: 30px; } #tbspecifics td { width: 100px; border-left: 1px solid black; border-top: 1px stable black; } 4 Packs 4Mm To 4Mm Steel Universal Joint Cardan Coupling Connector, Rotatable Model DIY Motor Shaft Fitting Accessory High-quality material: The common connection nut is made of effective alloy metallic material, which is powerful and durable.CNC mechanical design: 4mm motor coupler has a special design, ideal workmanship, exact size, convenient and brief set up and disassembly.360-degree rotatable common joint: This 4x4 mm joint count can substitute the transmission route at any point, which is very bendy and straightforward to use.Application: four mm rotation coupling is perfect for remote control mannequin cars and remote control model boats, in addition preferrred motor shaft assembly accessories.Material:alloy steelcolour:SilverPackage Contents:4 x Cardan Coupling Connector8 x screws2 x WrenchOnly the above kit content, different merchandise usually are not included.Note: Light taking pictures and different displays can cause the colour of the thing within the photo a bit diverse from the real thing. The measurement allowed error is +/- 1-3cm.