Feature:*Made of nice alloy, stable and .*It has the characteristics of easy structure, smooth installation and durability.*Fixed tensioner with knuckle closure is optimal for cases, baggage and toolboxes.*It assures that it remains fantastic and doesn't slip away.*It has ideally suited security pull and is very helpful for fixing cargoes.Specification:*Part Name: Zinc Alloy Buckle *Material: Zinc Alloy*Color: Black*Size: 20mm/0.8'', 25mm/1.0'', 38mm/1.49'', 50mm/1.49'' (Optional)*Weight: 20mm: 20g, safety tensile power is 150kg25mm: 30g, security tensile pressure is 250kg38mm: 95g, security tensile force is 150kg50mm: 150g, safety tensile power is 250kg*Quantity: 1pcPackage Content:1*Buckle for Tie-down StrapNote:1.Transition: 1cm=10mm=0.39inch.2. The real color of the item could also be barely various from the images shown on website caused by many points comparable to brightness of your visual display unit and lightweight brightness.3. Please allow slight guide measurement deviation for the data.