Dental Composite Instrument, Flowable Resin, CT 15 [3CSCT15]Composite Instrument, CT 15. Autoclavable Non Slip Handle. Osung line of high quality Composite Instruments offer Non Stick tips a fast and efficient placement and shaping of Composite material and easy clean up. These non stick tips are Titanium Coated and Highly Polished. The 3CSCT15 is specialy designed managing and controlling flowable resin and glassionomer material.