250 pcs. stud bolts A193-B7 M16 x 2.00 x 1100 4000 pcs. nuts A194-2H M16 x 2.00 250 pcs. stud bolts A193-B7 M20 x 2.50 x 1200 5000 pcs. nuts A194-2H M20 x 2.50 Origin: Italy or France Include EN 10204 3.1 certificate