5,000 LB Strength 4" Aluminum Carabiner - Pear HMS - Spring Gate Heavy-duty connection tool for industrial & recreational applications Solid aircraft-aluminum, 7/16" diameter, durable anodized finish; also in oval galvanized steel Pear-HMS style, great for belaying, life-lining & use with Munter/Italian hitch Automatic gate with heavy spring for quick connect/disconnect; maximum gate clearance 1" Excellent quality - made in Taiwan; inside width 7/8" to 1-9/16", inside length 3-5/16", weight 2.1 oz