DESCRIPTION ---Pack of four 22mm ferrules ---High quality natural rubber ferrule for crutches, walking canes and other walking aids with a 22mm diameter shaft ---The sizing refers to the internal diameter of the hole in the ferrule. Please check the photo above, showing how to measure before ordering. ---Can be used for other adaptations ---Metal washer inside for long life SHIPPING ---Orders placed Monday to Friday before 12pm are normally dispatched on the same day. ---Items ordered over the weekend and Bank Holidays will be dispatched the following working day. ---Choose from free standard delivery or first class (£1.99) 100% Satisfaction Guarantee - we want you to be happy with your purchase so if you do have any problems please send us a message and we will do our best to sort it out.