5,000 LB Strength 4" Galvanized Steel Carabiner - Oval - Spring Gate Heavy-duty connection tool for industrial & recreational applications; overall length 4-1/4" Solid steel, 3/8"-diameter, galvanized for superior rust & corrosion resistance Utilitarian oval style with smooth curves for reduced equipment wear, easier repositioning Automatic gate with heavy spring for quick connect/disconnect; maximum gate clearance 7/8" Excellent quality - made in Taiwan; inside width 1-3/8", inside length 3-1/2", weight 5.8 oz