Elevator guide rails: 2.T type guide rail; 3.t type guide rail; 4.Elevator part; 5.Certification: ... ,T114/B,T127-1/B,T127-2/B,T140-1/B,T140-2/B,T140-3/B. (1)Type/Parameter: T70 ... 102mm*28.6mm); (13) Type/Parameter: T140-3/B (140mm*127mm*31.75mm); 2. Hollow guide rail: TH3, TH3A, TH5, TH5A ... /Parameter: TH3 (75mm*55mm*10mm); (2) Type/Parameter: TH5 (87mm*66mm*16.4mm): (3) Type/Parameter: TH3A (78mm*60mm*16 ...