Working Load Limit (WLL): 25 Metric Tons (55,000 lbs). Design/Safety Factor: 6:1 structural safety margin. Material: Forged carbon steel body with a quenched and tempered alloy pin. Finish: Self-Colored (un-galvanized/painted or natural steel finish indicated by the "S" prefix). Pin Style: Thin hex-head bolt with a nut and cotter pin securement. Approximate Weight: 31.4 lbs (14.2 kg