These white polypropylene casters are designed for lightweight display frames and other lightduty applications. Each wheel measures 4 cm in diameter (about 1.57 inches) and is mounted on a universal M6 threaded stem for straightforward screwin installation. This fivepiece pack provides enough wheels for multiple frames or as replacements, with a durable, floorfriendly design suitable for frequent movement. Key benefits Easy installation with a universal M6 screw thread; no special adapters required. Smooth, quiet rolling on hard floors and lowpile carpets, reducing effort when moving displays. Durable white polypropylene wheels that resist moisture and provide reliable performance in retail or exhibition settings. Pack of 5 wheels, offering value for multiple frames or spare replacements. Compact wheel size (approximately 1.5 inches in diameter) suitable for slim display frames and lightduty furniture. Key attributes Material: White polypropylene (PP) wheels Wheel diameter: 4 cm (about 1.57 inches) Size reference: 1.5 inch Thread type: M6 universal screw mounting Quantity: 5 pieces per pack Primary use: Display frames, lightweight display stands, and other lightduty projects Compatibility: Universal M6 threaded stems compatible with frames and stands that use M6 screws Applications and use cases Display frames: Install these casters on lightweight display frames or sign stands to make repositioning quick and easy in shops or stalls. Lightduty furniture and stands: Use on portable stands or craft tables that require occasional mobility without heavy load expectations. DIY and exhibitions: Suitable for temporary booth setups, exhibition signage, or gallery displays where smooth movement and easy setup are important. Notes Designed for lightduty use; verify load requirements of your specific frame or stand. Ensure the mounting surface and predrilled holes (for M6 threads) are compatible with the caster stems before installation.