Comparison : Item # 880-M27, 1.500 Inch (in) Dimension A AISI 1020 Carbon Steel ISO 6149 Half Coupling
Item # 880-M33, 1.750 Inch (in) Dimension A AISI 1020 Carbon Steel ISO 6149 Half Coupling
Item # 880-M42, 2.250 Inch (in) Dimension A AISI 1020 Carbon Steel ISO 6149 Half Coupling
Item # 880-M48, 2.750 Inch (in) Dimension A AISI 1020 Carbon Steel ISO 6149 Half Coupling
Item # 880-M60, 3.25 Inch (in) Dimension A AISI 1020 Carbon Steel ISO 6149 Half Coupling