Curtain Brackets are sold in pairs (one left side bracket and one right side bracket). Curtain Bracket has 3 1/2" depth. 
 
Product SKU/Part Number: CUR-BRAC 

Small Curtain Brackets come in pairs and measure 1 3/4" D.  
 
Product SKU/Part Number: CUR-BRAC-XS 

Double Curtain Bracket Pair to be used with 2 curtain rods for layered window treatments. Comes complete with mounting screws.

Measures 3 3/8" Depth. SOLD IN PAIRS

NEW! Double / Triple Curtain Bracket Pair holds 2 or 3 curtain rods. Perfect for layering curtain window treatments. Size 1 1/4" W x 3" H x 4" D

Center Support Bracket has 3 1/2" depth. Recommended for use with Curtain Rods 61" or longer. 
 
Product SKU/Part Number: CUR-BRAC-C 

Small Curtain Bracket Center Support measures 1 3/4" D. Recommended for use with curtain rods 61" or longer.  
 
Product SKU/Part Number: CUR-BRAC-XS-C 

Double Curtain Bracket Center Support to be used with CUR-BRAC-DB curtain brackets.

Measures 3 3/8" Depth. Center Support for DB Curtain Bracket only. SOLD INDIVIDUALLY

Center Support DT Curtain Bracket measures 3" W x 3" H. Center support only and recommended for use with Curtain Rods 61" or longer 
 
Product SKU/Part Number: CUR-BRAC-DT-C