Specification: Product Name Gas Spring Ball Joint Male Thread Dia. M8 / 0.28" Female Thread Dia. M8 / 0.28" Male/Female Thread Length 15mm / 0.59" Ball Dia 15mm / 0.6" Overall Size 39 x 28 x 15mm / 1.5" x 1.1" x 0.6"(L*W*T) Material Metal Color Silver Tone Weight 169g Package Content 6Pcs x Gas Spring Ball Joint Description: Can be used as machines equipment, combination joint fittings, high qulity and long life use.