Round hole specification: 8mm/9mm/10mm/12mm/15mm/16mm/18mm/20mm
Aluminum alloy 6061, surface anodized (black)
Size Details: 8cm x 8cm x 25cm/3.15" x 3.15" x 9.84" (Approx.)
Material: high-quality aluminum alloy, surface anodized, wear-resistant and durable, anti-rust and anti-corrosion, long service life