Home / Chinese Joints / Opaque Black Male 14/23 Bistabil Ground Joint on 12 x 2.5 Opaque Black Male 14/23 Bistabil Ground Joint on 12 x 2.5 Manufacturer: Chinese Glass Manufacturers SKU: GONGC14/23-BLACK-12X2.5 Price: $2.50 — In Stock Opaque Black male 14/23 ground joint that's 120mm long made with 12 x 2.5mm tubing. Related Products Chinese Female 10/19 Ground Joint Chinese Male 10/19 Ground Joint Chinese Female 19/26 Ground Joint Chinese Male 14/23 Ground Joint Chinese Female 14/23 Ground Joint Chinese Male 19/26 Ground Joint Chinese Female 14/23 Unground Joint Chinese Male 14/23 Unground Joint