• Disconnects pipe fittings and marks depth.SharkBite® 28mm Disconnect Clip & Depth Gauge• Install your own workshop compressed air ring main quickly and easily with the SBA system of fast fit compressed air fittings.• Disconnects pipe fittings and marks depth.• 28mm clip.• Model No. SBA28DCModel No: SBA28DC:Brand: John Guest:Pack Qty: 1:Pipe OD: Ø28mm:PTDSEASBA28DC