... .OEM JINAN GOLDEN BRIDGE PRECISION MACHINERY CO.,LTD Jaw coupling(JM-1 Locating screw type),flexible coupling 1.aluminum,TPU.2 ... style, the maximum overall are 25,30,40,55,65,80,95,105(mm). you can also have a custom-order ... us. Place of Origin: Shandong,ChinaBrand name: Golden Bridge0./;. KTR JM-1 Locating screw type Jaw coupling