Name:Slippery cylinder Product features: 1, thin and light nature 2, easy to install sex 3,easy maintainability The pole type CXSW series: urn cylinder (Φ6 ~ 32)1, maximum allow load CXS series than 2 ~ 3 times2, dual cylinder size design, 2 times output3, don't shake turn high precision4, lateral load resistance is strong5, standard with adjustable trip devices: 0 ~ 10mm Slippery cylinder