metal slotLearn how Approved Sheet Metal regularly add slots and tabs to weldment components—a process most metal fabrication shops don't undertake.Produk: Lens Cap Merk: Asahi Pentax Ukuran: OD 54.65mm; ID 52.20 Bahan: Metal Warna: Hitam Kondisi : Bekas, ada penyok dikit di atas tulisan Asahi