AISI1010-1015 Bicycle Steel Balls AISI1010-1015 Bicycle Steel Balls1) Material: AISI 1010-10852) Size: 1/8", 3/16", 5/32", 1/4",5/16", 3/8",5/32'',7/32'',4mm,5mm,6mm3) Grade: G1000,G500,G200,G1004) Hardness: HRC60,HRA78-805) Packing: Industry packing, poly bog, plastic box, steel box for one gross, Outer packing: export carton AISI1010-1015 Bicycle Steel Balls