Made of fine quality material, practical, easy to install and use, wide application range, has a long service life. Features: Made of fine quality copper and iron, wear resistant, not easy to rust. Perfect airbrush connectors for airbrush and air hose. Professional airbrush accessories, reliable and practical. Universal and powerful, different sizes can meet different needs. Specifications: Material: copper+iron Color: silver+gold Connections: 1: M5-0.5 Female to 1/8" BSP Male 2: 1/8" BSP Male to 1/8" BSP Male 3: 1/8" BSP Male to 1/4" BSP Male 4: 1/8" BSP Male to 1/4" BSP Female 5: 1/8" BSP Female to 1/4" BSP Male 6: 1/4" BSP Male to 1/4" BSP Male 7: 1/4" BSP Female to M5x0.5 Male 8: M5 * 0.4(F)-G1/8(M) 9: BSP 1/4" 40 axialpitch (F)-G1/8(M) Item size: 1: 13 * 14mm / 0.51 * 0.55in (D * H) 2: 12 * 17mm / 0.47 * 0.67in (D * H) 3: 13 * 20mm / 0.51 * 0.79in (D * H) 4: 16 * 21mm / 0.51 * 0.83in (D * H) 5: 16 * 17mm / 0.51 * 0.67in (D * H) 6: 14 * 22mm / 0.55 * 0.87in (D * H) 7: 16 * 24mm / 0.51 * 0.94in (D * H) 8: 10 * 12.5mm / 0.39 * 0.49in (D * H) 9: 10 * 8.46mm / 0.39 * 0.33in (D * H) Package size: 165 * 40 * 15mm / 6.50 * 1.57 * 0.59in Package weight: 80g / 2.82ounce Package List: 9 * Airbrush Adaptor