The 8mm 5/16 Inline Motorbike Fuel-Tank Tap On/Off Petcock Switch is a compact and durable component made from aluminium, measuring 4 x 4.5cm in size. This switch, designed in a sleek silver colour, serves as a crucial part for controlling fuel intake in motorbikes, dirt bikes, and ATVs. Originating from China, this petcock switch ensures efficient on and off functionality for a smooth and reliable fuel delivery system.