106  VESA Extension Arms extend any TV's VESA hole pattern up to 280mm in every direction. Easy to install on your current TV mount, and holds up to 66 pounds.  Set includes four arms. Comes in a retail package. 

Extends  4"x4" (100x100) to 4"x7 7/8" (100x200), 7 7/8"x 7 7/8" (200x200), 11 13/16" x 7 7/8" (300x200), 11 13/16" x 11 13/16" (300x300),
Extends 7 7/8"x 7 7/8" (200x200) to 11 13/16 x 7 7/8" (300x200), 11 13/16" x 11 13/16" (300x300), 15 3/4" x 7 7/8" (400x200), 15 3/4" x 15 3/4" (400x400)

Specifications   

• Construction: Steel
• Screen Sizes:  
• Weight Capacity: up to 66 pounds  
• Color:  Black 
• VESA Patterns: Adds up to 280mm to your VESA pattern
• Unit Size: 8.25 x 2.75 x 1.5"  .85 pounds
• Profile from wall: .25"