These tough steel Hinge Pins are the perfect spare part for your RC tool boxFeatures: Strong steel material for long-lasting durability 4mm Diameter, 63.5mm Length Polished finish for silky-smooth suspension action Includes:2 x Hinge Pin Lower - 4 x 63.5mmRequires:To be used in conjunction with #ARA320658 and either #ARA320652 and #ARA320653 or #ARA320655 and #ARA320656