Satin Plated Entry Ball Knob Lock

Knob and mechanisms made of stainless steel with a matte chrome finish
5-bolt cylinder made of solid brass and highly resistant metal latch
Cylindrical mechanism made entirely of metal with zinc dichromate
Free inner knob. 

For doors with thicknesses from 1 1/4" to 1 3/4" (31.7mm to 44.4mm)