The I-Beam Clamp is designed 
To anchor a Peerless-AV ceiling mount to an overhead I-beam. Two sizes are available, with a 4" (102 mm) or 5" (127 mm) adjustment range. The 1 1/2-11.5 NPS threaded fitting is compatible with Peerless-AV Extension Columns (several models available, both fixed length and adjustable).
Features:
Specifications:
- Weight Capacity: 250lb (113kg)
 
 
- Color: Black
 
 
- Finish: Powder Coat
 
 
- Security Features: Non-Security Hardware
 
 
- Ship Dimensions: 6.5 x 4 x 14.5" (165.1 x 101.6 x 368.3mm)