Ortofon Turntable Tonearm Lifter Mechanism. Brand-new, precision-engineered lift arm for vinyl record players. Designed for all Ortofon tonearms; fits models like RMG 309i, RF 297, RMG 229, Thorens 124, Garrard 301. Machined with high-precision craftsmanship for smooth, quiet lift/hold operation. 20.0mm opening (custom hole sizes available for extra cost). Ideal for turntables without built-in tonearm lifters. Durable, easy to install-protects your stylus and vinyl records.