The straight repair coupling inlet and outlet is 1 1/4 inch. It uses a slip joint connection on both ends and is installed as a repair coupling under the bathroom sink. All necessary nuts and washers are included. Chrome plated 22 gauge brass

• Brand Name: Plumb Pak
• Diameter: 1-1/4 in.
• Material: Brass
• Product Type: Straight Extension Coupling
• Connection Type: Slip Joint
• Number of Pieces: 3 pc
• Washers Included: Yes
• Packaging Type: Hang Tag
• Finish: Chrome Plated
• Gauge: 22 Ga.
• Color: Silver
• Application: Bathroom Sink