Product information:
Applicable scenario: machine maintenance
Material molding: powder metallurgy.
Small size: 1-1/8 "~ 1-3/4"(29 ~ 44MM), drive end: 16.8MM
Medium: 1-1/2 "~ 2-1/2"(38 ~ 64MM), drive end: 16.8MM
Large size: 2/1/8 "~ 3-1/2"(54 ~ 89MM), drive end: 18.8MM

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