All leather top grain cowhide, .085/ .095 thick, shot bag for hammer forming metal panels. 12" diameter. 1 3/4" center riser allows use of the entire 12" diameter requires 14 lbs of sand fill or 44lbs of lead shot fill (not included)

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Consumer Alert: Some sellers are offering shot bags with a steel shot fill; steel shot will corrode and contribute to premature failure of the bag.  Lead shot/bird shot should be the alternative fill material when not using sand fill.