Features: 1) U shape bracket: 30 90mm 2) L shape bracket: 40 x 50 x 50mm, 56 x 70 x 70mm, 68 x 90 x 90mm, 78 x 100 x 100mm 3) Steel fastener for scaffolding: 3mm, dia. 48.6mm (move type and fix type) 4) Surface dealing: white galvanized, yellow galvanized or black PVC powder painted Packing: carton, then pallet. We can also pack according to customer's inquiry