Kwikset 740H5SMTRCAL/RCS Hancock Entry Knob Lockset, Antique Brass Containers Tension spring

Tension spring

Nut has a wing on each side that helps you to tighten the nut

Extended length : 13"

6-1/8" legs

Meets flammability requirements per UL94

Kwikset 740H5SMTRCAL/RCS Hancock Entry Knob Lockset, Antique Brass Containers Tension spring"Kwikset" Entry Knob Locksets For keyed exterior doors Both knobs lock or unlock by key outside or turnbutton inside Ultramax Security locksets feature titanium alloy throwbolt core, anti pick 6 pin system and ultra strike for jamb brace Door prep: 2 1 8" cross bore, 1" edge bore, 1" x 2 1 4" latch face Backset: 2 3 8" 2 3 4" adjustable Door thickness: 1 3 4" doors standard and 2 1 4" doors optional Cylinder: 6 pin removable core Handing: Reversible