Supply Of Work Rest Roller Assembly For Cnc Statio Work Rest Roller Assembly For Cnc Station 2, As Per Rwf Drg No. 725400210770. 1. Warranty: Warranty Of 12 Months From The Date Of Delivery Or 9 Months From The Date Of Fitment Or Use Whichever Is Early Has To Be Provided Against Manufacturing Defects And Workmanship For The Item Supplied. 2 Material Test Certificate With Respect To Chemical Composition And Metallurgical Properties To Be Furnished Along With The Supply By The Supplier..