"Focus markers for camera assistants in vibrant colors!Tired of wasting time and tape making focus marks? Speed up this tedious process with our focus markers! Bright, perfectly sized, lightweight, and incredibly durable.Key features:Multiple colors: Available in 7 vibrant colors, including a mixed versionPremium quality: Made from high-quality materials that deliver outstanding results even in challenging conditionsGood visibility: Thanks to their bright colors, you'll easily spot the marks, even in low-light conditionsBack-lit Ready: The perfect thickness for back-lit focus controllers like the Arri SXU, WCU-4, or HI-5, ensuring clear visibility of pre-marked ringsWritable Surface: The top film layer allows you to write numbers or letters on the markers with a pen or markerDon’t hesitate, get your focus markers now and save time and frustration during your workday! "