New, Unused Rubber casters 360-degree rotation This set includes 40mm casters with a load capacity of 40kg and 14 M4 x 20mm screws. - Caster size: 40mm - Load capacity: 40kg - Screw size: M4 x 20mm - Number of screws: 14 Also listed on other sites, so there is a possibility of being sold out depending on the timing. Thank you for viewing.