Wooden Grand Piano Caster Cups, Furniture Pads 3 1/2" (Set of 4) – 1 to 1 Music
How to Buy Piano Caster Cups - YouTube
Slipstick CB605 Floor Protectoring Castor Cups with Non Slip Rubber Feet (Set of 4) 45 mm Round Caster Cups for Furniture Wheels - Brown : Amazon.co.uk: DIY & Tools
Grand Piano Caster Cups - Polished Brass - KSL3-BPSET
4 Rubber Base Castor Cups for Wooden Floors and Carpets - Wooden Furniture Castor Cups Non-Slip - Caster Cups Protect Wooden Floor | DIY at B&Q
CASTOR CUPS FURNITURE FLOOR PROTECTOR GLIDES RUBBER NON SLIP 60MM ( pack of 4 ) : Amazon.co.uk: DIY & Tools
Castor Cups – Floorgard
Dark Wood Furniture Caster Cups With A Rubber Non-Slip Base.