Angled Internal Angled Internal Chair Feet and Tips Angled internal fitting chair tips and feet Fits inside both round and square tubular legs. click here on how to measure Please contact us if your have other requirements Square Angled SQA18i 13mm to 16mm internal 18mm external 10 degree angle $1.27 (incl GST) SQA20i 15mm to 18mm internal 20mm external 10 degree angle $1.27 (incl GST) SQA22i 17mm to 19mm internal 22mm external 10 degree angle $1.75 (incl GST) SQA25i 20mm to 22mm internal 25mm external 10 degree angle $1.27 (incl GST)