... . static rating: 1700,2250,3150,4500,5850(kN) Working height:41 (135),43m(141),45(147 )(m,ft) K-mast l ... . and are applied API monogram on themMain parameters:Model No.JJ170/41 KJJ225/43KJJ315/45KJJ450/45KJJ585/45-KMax. static rating (kN)17002250315045005850Working ... height(m,ft)41 (135)43m(141)45(147 )45(147)45(147)Height ...