1.Allaround guide rail fllows ISO7465/2007. 2.Factory has pased ISO9001:2008. 3.Type: T50/A. 4.Dimension: 50*50*5mm Our guide rails are often exported to Mideast,Southeast Asia,South America,North America,Europe etc. Dimensions of T50/A machined guide rail: DimensionCOD.ISOb1h1kprs±1.5±0.75±0.05±0.75 T40/A4040551T45/A4545551T50/A5050551 COD.ISOm1m2t1t2db3l2l3+0.060+0.03(0)0-0.06(0)-0.03±0.1±0.1 ± ...