Grade:4.8-12.9 All sizes are avaliable The details can make according to your requires. 1.all sizes are avaliable2.grade:4.8-12.93.stangdard:GB,DIN4.materail:carbon steel,alloy steel5.surface:plain,zinc plated,black6.packing:according to clients requirement,the commom packing is 25kgs a carton,bulking 48 cartons a pallet/ bulk in bags with pallets7.delivery:30 days Thimbles din6899