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Shanghai chain tensioner SPANN BOX SIZE 0 10A industrial chain tensioner manufacturer|chain gold|tension sheetchain link fence manufacturer - AliExpress
Component: Spann-Box size 30 with semi-circular profile, for chain 1/2"x5/16" (08A-1, ASA/JIS 40), heavy tension force | PartSupply - Dassault Systèmes®
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