Deltas are often used as an alternative to standard carabiners. They are most effective (and safest) in rigging applications where multi-directional or tri-axial loading is encountered. Links are Stainless Steel and feature threaded nut closure. This 10mm size has a break strength of about 6,500 pounds and is advised for light duty rescue applications or one-person loads. Measures approximately 2.5" x 3.5" by 3/8" in diameter. 1/2" gate opening. Made in France by Maillon Rapide.