Special Features:

1.5 inch d-ring affixed on either side and the rear of a sled; used for lowering the sled over cliffs; to attach a safety lanyard from the d-ring on the down hill side of very steep terrain over the top of the sled to a skier that will keep the sled from rolling down hill; mounting hardware included (two 0.250 in x 0.500 in long pan head machine screws, two 1.000 in fender washers and two 0.250 inch nylon nuts); each sled requires 3 d-rings with mounting hardware

Properties:

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes ring, connecting, round.