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 - 1/4 (.61 cm) ID. Implement is automatically positioned and angled correctly for use. Little or no gripping ability is needed. Can be used with pens, pencils, crayons, paintbrushes, toothbrushes, razors, etc. Three sizes to fit different fingers. Finger ring IDs: small 9/16 (1.47 cm), medium 3/4 (1.85 cm), large 7/8 (2.21 cm). Made of polyethylene. Bag of 3 - 1 Small, 1 Medium, 1 Large.