I use these in player piano restoration to join hoses or to replace bad original connectors (especially old lead.).
1-1/2" OD Brass Straight Connector For Player Piano Restoration 2" Long
1 1/4"/1.25" OD Brass Straight Connector For Player Piano Restoration 2" Long
7/8" OD Brass Straight Connector For Player Piano Restoration 1-1/2" Long
1-1/8" OD Brass Straight Connector For Player Piano Restoration 2" Long
6 Pcs Brass Tubing Approx 1.5" Long, 1/2" OD, For Player Piano Repair
2" OD Flanged 90 Degree Elbow/Connector For Player Piano/Organ Restoration