Guard Security 1990 Polished Brass Tubular Door Lock Entry Set. 

Fits most Doors!

2-3/8"-2-3/4" adjustable backset. 

Meets ANSI grade 3 standard

Rekeyable, KWI keyway. 

Complete do-it-yourself instructions in English & Spanish. 

Uni-piece knob construction. 

2 keys included.