Delkin DDSS-REFILL-S2 SensorScope Refill Kit, Small 16mm Sensors (Black) Serves as a supplement to your complete Sensor Scope SLR Image Sensor Cleaning System (sold separately). Kit includes the following: (15) Small (16mm) Sensor Safe Wands, .25 ounce bottle of Sensor Solution and Sensor Scope cleaning guide. Sensor Scope Single and Digital Duster Kit (with SensorVac) can be purchased separately.