Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. Jar of 25 (10 small, 10 med, 10 Lrg) * Automatically positions and angles the implement correctly for use * Effective for teaching developmental * handwriting skills for grasp development * Provides stability, while allowing a more manipulative grip * Offers extra control to overcome gripping difficulties, arthritis and limited dexterity * Consists of 2 linked rings * Place finger or thumb in the larger ring and the implement to be used inside the smaller ring - .24" (.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, paint brushes, tooth brushes, razors, etc * Three sizes to fit different fingers: Small .58" (1.41 cm), Medium .73" (1.85 cm), Large .87" (2.21 cm) * Made of Polyethylene *