Inner diameter: 33 mm Quantity: 4 pcs per bag Material: plastic rubber Height: 18 mm or 7 mm Benefits and features Provides secure spacing and alignment for microscope accessories that fit a 33 mm inner diameter Flexible plastic rubber cushions contacts, reducing the risk of damage to delicate components Two height options (18 mm and 7 mm) offer versatility for different setups and mounting needs Compact 4piece pack keeps spare spacers readily available Compatibility Designed to fit components with an inner diameter of 33 mm, enabling easy integration into compatible accessories and adapters Use scenarios Use as spacers to achieve consistent clearance when mounting slides or adapters on a microscope stage Use as soft sleeves or rings to accommodate cylindrical attachments in DIY microscope projects Use in education labs for quick setup of experiments requiring uniform spacer height and reliable alignment Additional accessories A comprehensive selection of accessories designed to enhance the microscopy experience, including objectives and slide preparation kits, to optimize microscope performance