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).
Unit has 1 1/2" 11.5 NPT fitting for attachment of extension column
Weight Capacity: 250lb (113kg)
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)