5pc Galvanized Steel Screw-lock Carabiner Spring Snap Hook Set - Choose from 4 Sizes: 3/16" to 3/8" By popular demand, now sold in a 5-piece set! Combines fast-connect of snap link, security of quick-link; Zinc galvanized steel has excellent strength with superior rust resistance for outdoor use Spring-loaded gate for fast on/off, teardrop shape centers rope under load Available in 3/16" x 2", 1/4" x 2-3/8", 5/16" x 2-3/4", 3/8" x 3-1/4" Working load limits 3/16" 100lbs, 5/16" 140lbs, 5/16" 250lbs, 3/8" 400lbs