TLS Mega-Swivel Belay Device They are great for a

They are great for a variety of occupations including construction workers

or industrial site

the operator can monitor and control the loads up to 200 load cells per monitoring station simultaneously

The particular D shape prevents the rotation of the carabiner and allows to distribute the load along the major axis

Petzl RACK Descender

TLS Mega-Swivel Belay Device They are great for aPan locking bolt style theatrical C Clamp. Fixture is bolted to, and rotates on retained steel post in clamp body. Comes with half inch fasteners. Minimum Size 1" pipe, 1. 315" OD Maximum Size 2" pipe, 2. 375" OD Working Load Limit 550 lb 250 kg Hardware 1 2 1 long hex head Grade 5 zinc bolt 1 2 3 long square head set screw Belleville spring washer Weight 13. 5 oz. Case Quantities 24, 48