Steel Ball With Holes. Durable AISI201/304/316 stainless steel alloy Stamping Press Made. Standard punching hole mould:∅19mm,∅25mm,∅32mm,∅38mm,∅50mm, MOQ:100PCS. Delivery Time:5days for scheduled production . Metal Balls Package. The stainless steel hollow balls will clean up buffing compound after production completed.
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