Sensor Swabs come in different sizes, here is a guide to help you choose the correct size swabs for your camera.

VSwabs 1.0 - Use these for FULL FRAME CAMERAS
VSwabs 1.3 - Use these for micro 4/3 CAMERAS
VSwabs 1.6 - Use these for APS-C CAMERAS

If you are unsure then contact me HERE with your camera details and I will confirm the correct ones for you.