【UNIVERSAL VARIABLE THREAD TECHNOLOGY】 Simplify your gear with the patented Variable Adapter Ring. One H&Y RevoRing 67-82mm securely adapts to multiple lenses, eliminating the need for bulky separate stepping ring sets. It maintains full compatibility with your existing screw-in filters. 【SECURE TURN-HOLD-RELEASE LOCK】 Experience peace of mind with our innovative Adjustable Step Up Ring featuring retractable blades. The smart design locks firmly onto your lens with a final turn, preventing accidental drops. Precision engineering ensures your lens filter adapter ring never jams. 【SCREW-IN & MAGNETIC COMPATIBILITY】 Stay flexible during fast-paced shoots. Our Adjustable Adapter Ring is equipped with internal threads for standard screw-on filters and works perfectly with magnetic systems. Quickly swap between different filters without fumbling or missing the perfect shot. 【AEROSPACE ALUMINUM & CNC PRECISION】 Machined with high-precision CNC from durable aerospace aluminum, this Step Up Filter Ring Adapter ensures perfect thread alignment. The knurled anti-slip texture provides a confident grip even with wet hands, built tough for daily professional use. 【ULTRA-LIGHTWEIGHT TRAVEL DESIGN】 Featuring a slim profile, this Variable Adapter Ring fits neatly in any camera bag or pocket. Whether you are hiking or on-location for travel photography, stay agile and creative without being weighed down by extra gear or heavy adapter sets. H&Y REVORING Variable Step Up Ring X1