Gas bottle key for pressure regulator 2 in 1 made of stainless steel. The gas bottle wrench is for energy-saving turning and unscrewing of low pressure regulator on the gas cylinder valve. Compatible with low pressure regulator 30-50 mbar with small bottle connection with 5 wing nut. With built-in 17 mm shank. Advantages that convince: very robust design, 3 mm stainless steel. Box contents: gas bottle wrench