Features: 1) AISI 52100 a) Material: chrome steel ball b) Size: 0.5mm-4" c) Grade: 3-1000 2) AISI 1010-1020 a) Material: carbon steel ball b) Size: 2.00mm-4" c) Grade: 100-1000 3) AISI 304,316L, 420, 440C a) Material: stainless steel ball b) Size: 1/8" - 3/4" c) Grade: 5-1000Packing:Acccording to customers' requests
