Deltana DSH35R410B Single Action Steel 3 1/2-Inch x 3 1/2-Inch x 2.7 Inch x 1/4R Inch Spring Hinge Steel 3 1/2-Inch x 3 1/2-Inch x 2.7 Inch x 1/4R Inch Spring Hinge Single Action Tension hex wrench, straight wrench, locking pin and steel screw Available in an array of fine finishes