Rectangle Internal Rectangle Internal Chair Feet and Tips Rectangle internal fitting chair tips and feet Fits inside rectangular tubular legs. click here on how to measure Please contact us if your have other requirements RT1326i 13mm x 26mm external 12mm x 23mm internal $0.77 (incl GST) RT1338i 13mm x 38mm external 10mm x 34mm internal $0.88 (incl GST) RT1530i 15mm x 30mm external 12mm x 27mm internal $0.99 (incl GST) RT1540i 15mm x 40mm external 12mm x 37mm internal $0.99 (incl GST) RT2030i 20mm x 30mm external 18mm x 28mm internal $0.99 (incl GST) RT2040i 20mm x 40mm external 18mm x 38mm internal $1.32 (incl GST) RT2538i 25mm x 38mm external 22mm x 35mm internal $1.32 (incl GST)