This item was mistakenly ordered on April 25, 2024. I intended to order standard-sized flanges, but I accidentally ordered these, so I am listing them for sale. They have been opened but are unused. NSA6-8LF Applicable nosepiece → 4.8 Suitable clamping plate thickness → 9.5〜12.7mm Rivet diameter → φ4.8mm Pilot hole diameter → φ4.9〜5.5mm Body → Aluminum Mandrel → Steel 500 pieces per box List price: ¥11,320 Thank you. I am also listing this on other sites, so please confirm availability before purchasing. Ebi (brand) screws tools ironwork site tools shipping included