WDGHA38by Wachendorff AutomationAdapter sleeves for bore size ø 38 mm for thru-bore encoder WDG 100H Order Numbers WDGHA14001 Adapter sleeve 38 mm to 14mm WDGHA20001 Adapter sleeve 38 mm to 20mm WDGHA25001 Adapter sleeve 38mm to 25mm WDGHA28001 Adapter sleeve 38mm to 28mm