Guide Attachment With Corrugated Reinforcement K-17 The K-17 Elevator Rail Bracket Set is used to support the T70 and T50 elevator rails on the walls of the elevator shaft. Product Code: K-17 The opening movement of the EMA K-17 elevator rail support is 160-280mm. [.rar] K-17 Ribbed Bracket DWG File [.rar] K-17 Ribbed Bracket Front DWG File