1-1/2″ x 1-1/2″. Sink trap J-bend less cleanout with cast elbow with 1-1/2″ F.I.P. threads. Complete captive zinc nut on lower bend and loose zinc nut with slip-joint washer on upper bend. Beaded connection. 22-gauge. Satin nickel finish. Bagged. Model 454K: Type: Slip-Joint, Size: 1-1/2″ x 1-1/2″, Gauge: 22 ga, Finish: Satin Nickel, Material: Brass, Pkg Qty: 1, Package Type: Bag