13mm or 0.50in ID Mounting Blocks S8012P02S8012P02Size: 13mm / 0.50″Compatible With: Air Bushings, Metric S301301 – 13mm I.D.Compatible With: Air Bushings, English S301201 – 0.50″ I.D. Specifications Engineering Drawings Units: US METRICTitleSpecificationsSKUS8012P02S8012P02Attachments:S8012P02.pdfS8012P02.step