Endless uses for all ages Offers extra control to overcome gripping difficulties, arthritis and limited dexterity. Consists of 2 linked rings. Simply place finger or thumb in the larger ring and the implement to be used inside the smaller ring - 0.24. Little or no gripping ability is needed. Can be used with pens, pencils, crayons, paint brushes, tooth brushes, etc. Comes in 3 sizes to fit different fingers. Bag of 3 different sizes.