Comparison : Item # M-99001, SS Insert - Blank/Tapped/Reamed - Metric
Item # M-99002, SS Insert - Blank/Tapped/Reamed - Metric
Item # M-99003, SS Insert - Blank/Tapped/Reamed - Metric
Item # 99011, SS Insert - Blank/Tapped/Reamed - Metric
Item # 99012, SS Insert - Blank/Tapped/Reamed - Metric