Material: Iron; Finish: Unichrome plated finish; Total length: 11.8 inches (300 mm); Round rod diameter: 0.6 inches (15 mm); Key hole width: 0.4 inches (11 mm); Metal size: A: 2.7 inches (68 mm), B: 0.2 inches (68 mm), C: 1.0 inches (26 mm), D: 1.6 mm); This is a popular type steel round rod hole hole hole hole ^Application: Weld-mounted round rod piercing For gate doors and fence doors