38mm

CHECK SIZE BEFORE PURCHASE – Suitable for Round from 1.38″ to 1.46″ (35-37mm); End Cap Thread Diameter: 37mm/1.46″; Package Include: 28pcs Inserts; WARM TIPS: PLEASE MEASURE THE SIZE OF YOUR CHAIR LEGS CAREFULLY BEFORE BUYING
FLOOR PROTECTOR – This insert protect your beautiful hardwood, ceramic tile and vinyl plank floor from marring and scratches
REDUCE NOISE – This insert can greatly reduce the noise, you should no more worry about suffering a harsh sound when moving the chairs and tables