I use these in player piano restoration to join hoses or to replace bad original connectors (especially old lead.).
1 1/4"/1.25" OD Brass Straight Connector For Player Piano Restoration 2" Long
1.25" Diameter 90 Degree Brass Elbow For Player Piano Restoration, 1 1/4"
7/8" Diameter 90 Degree Brass Elbow For Player Piano Restoration
3/4" Diameter 90 Degree Brass Elbow For Player Piano Restoration
1" Diameter 90 Degree Brass Elbow For Player Piano Restoration
5/16" ID Rubber Hose/Tubing for Player Piano Restoration, 10 Feet