3 Different types of Galvanized bolts - picture in attachment 16mm dia - length -240mm -threaded part-50mm-84 nos 20mm -length- 700mm-threaded-130mm-26 nos 24mm- length-630mm-threaded-100mm-336 nos Each set with 4 nos of bolt and nut Main important is the grade is 8.8 certificate need for bolts.