Features: 1.【Compatibility】 Sold in 5 Pack. 946 1-1/4″ Well Point Drive Coupling is suitable for 946 1-1/4″ Well Point Drive Coupling is suitable for drive well points with 1-1/4″ Pipe Size. Replace for MPN: 946 2.【Superior Material】 Made of heavy duty, recessed and straight tapped steel. Galvanized steel construction withstands pounding force necessary to drive a well point into the ground. Corrosion resistance and high durability. Well machined threaded coupler for tight seal. .