U bolt with Hex nut SIZE: M20 , MATERIAL: 316LSS, DESIGN SPEC: (See attached file No. 2) THREAD DIRECTION:RIGHT TYPE,THREAD: Metric 20 Set U bolt with Hex nut SIZE: M10 , MATERIAL: 316LSS, DESIGN SPEC: (See attached file No. 3) THREAD DIRECTION:RIGHT TYPE,THREAD: Metric 50 Set Need offer before 1 april 2016 according drawing with 3.1 certificate