Passed EN-71 and ASTM-F963 standards.Place of Origin: ChinaPitch 3:11/4''5/16''3/8''7/16''1/2''9/16''Pitch 2:15/8''3/4''7/8''1''
Passed EN-71 and ASTM-F963 standards. Place of Origin: China Pitch 3:1 1/4'' 5/16'' 3/8'' 7/
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