Installation Guide
idh 
by St. Simons, Inc. 
Professional Grade Quality Solid Brass Decorative Hardware & Bath Accessories 
Demand Quality, Demand idh© 
idhbrass.com 
Installation Instructions 
Professional Grade Quality Solid Brass 
Small Sash Catch 
Item# 21020 
Dimensions: 
•  Base: 2-9/16” x 7/8” 
•  Base Projection: 3/4” 
•  Keeper: 2-1/2” x 5/8” 
•  Keeper Projection: 1-1/8” 
•  Net Weight: 2.75 oz. 
•  Weight: 3.75 oz. (including screws) 
•  Solid Brass Wood Screws 
Dimensions are for reference use only. 
For exact dimensions, please measure actual part. 
Installation Instructions:  
1. Position hook side of window lock (Keeper) on center of 
bottom rail of upper window. 
2. Position cam lever side of window lock (Base) on top 
center rail of lower window to align with hook side of window 
lock (Keeper). Check for proper alignment and clearance. 
3. Mark position and drill 1/16” pilot holes 9/16” deep. 
4. Secure with screws provided. 
Catalog Section: E 
Small Sash Catch 
Item# 21020 
Date: Rev 05/19 

