Compact and lightweight: Easy to operate without adding unnecessary bulk to your equipment Premium materials: Crafted from aluminum with durability, this M48 to M56 adapter delivers long-lasting, reliable performance Precision thread specifications: Equipped with M48x0.75mm and M56x0.75mm external threads, suitable for demanding applications Flange design: 2mm flange spacing ensures stability and prevents slippage Optimal Thread Depth: 4mm thread depth accommodates diverse microscopy applications for a snug fit