... tube,A3 cold-drawn shaft Paint any color RS water proof and dust proof heavy-duty roller ... /Idler--RKM/GCS RS Series Comb Roller/ Comb conveyor roller /Comb Idler ... AS...Roller DiaRoller SpecRoller Standard 63.5, 76, 89, 102, 108, 114, 127, 133, 140, 152, 159, 165, 178, ... ,JIS,AS,------(as per customer requirements)1.This RS series rollers belong to GCS high-end conveyor ...