Coupling Selector Major Bore Diameter Select Major Bore Diameter 0.094in.0.125in.0.157in.0.188in.0.250in.0.313in.0.375in.0.500in.0.625in.0.750in.0.875in.1.000in.3mm4mm5mm6mm7mm8mm9mm10mm11mm12mm13mm14mm15mm16mm18mm19mm20mm22mm Minor Bore Diameter Select Minor Bore Diameter Attachment Type Select Attachment Type Material Select Material