Standard Duty I-Beam Single End Pulley boom base Constructed from durable steel with

Constructed from durable steel with a precision-cut design

The IWEISS Beam Clamp is comprised of (2) 7 gauge steel plates designed to engage the flange of an I-Beam for support of static loads

This apparatus is used to hold the out-of-balance counterweight arbor in fire curtain systems

Track and associated hardware can be assembled for use in  bi-part or one-way draw systems

Standard Duty I-Beam Single End Pulley boom base Constructed from durable steel withThe IWEISS Single End Pulley, also known as a Dead End pulley, contains one 4 diameter nylon sheave with shielded ball bearings mounted in a zinced steel housing that clamps over track. This pulley is intended for use in a straight or curved track with 1 4 rope for bi part draw. Shielded ball bearing Bolted Attachment Nylon Wheel Dimensions: 4 1 2w x 3 3 4h Weight 1. 2 lbs