SMC Figure 8 w/Ears NFPA Rigging Plate It may be used to

It may be used to increase the friction in accordance with the weight of the load and the diameter of the rope

75 cm (5-3/4 x 4-1/4 in)

and will accommodate any 16" standard backboard

Rescue Litter Specifications:

SMC Figure 8 w/Ears NFPA Rigging Plate It may be used toOne of the most popular full sized descenders used by professionals throughout the rescue, fire service, and police tactical markets for years. Solid aluminum, this heat treated 8 is a staple in your rescue bag. Specs Sealed Ball bearings Solid aluminum side plates High strength aluminum sheave Primary carabiner hole accepts numerous rescue carabiners Secondary carabiner holes for use with tag or belay lines Two quick release pins included for