Specification Brand : CREULT ItemName : CREULT Brass Hollow Rivets M2.3 x 4mm Length Through Core Stud Smooth Body Cylinder Fasteners Single Machine Tube Punch Ring (200pcs) ItemPackageDimensions_Height : 4 inches ItemPackageDimensions_Length : 2 inches ItemPackageDimensions_Width : 2 inches ItemPackageQuantity : 1 ItemTypeKeyword : rivet-studs Manufacturer : CREULT PartNumber : ukhoriveb2503 ProductDescription : Material: Brass Rule: Metric. Type: Hollow rivet. Outer Diameter tolerance: -0.1mm / +0mm Rivets can be well adapted to the external environment, are not easy to rust, and are anti-corrosion and wear-resistant. Solid type, easy to knock riveting. For riveting equipment and mechanical accessories. Primarily suitable for automotive, medical, aviation, etc.