Hex head bolt M12 X 55 Material: alloy 59 4 pcs. Hex nuts M12 Material: alloy 59 4 pcs. Flat washer for M12 Material: alloy 59 8 pcs. Socket set screws with cone point M6 x 10 Material: alloy 59 45 pcs. Stud bolt with 2 nuts M20 x 120 Material: ASTM A320 L7/A194 Gr.4 24 pcs. Stud bolt with 2 nuts M16x 95 Material: ASTM A320 L7/A194 Gr.4 8 pcs. Certifications EN 10204:2004 3.1 required