Designed to fit perfectly with the Stereo One22, One44 and One55, the FPILink stem features a clamp diameter of 31.8mm and is available in lengths of 40mm and 50mm to enable fine-tuning of reach. Made from heat treated 6061 T6 aluminium, the design features a zero gap clamp for a clean appearance. The FPILink standard makes for quick and easy attachment of any FPILink-compatible accessory, like lights or computers.