NEW & Improved Nano-tip™ Micro Foam Cleaning Swabs – 4” Length, Bag of 500 | 71-7770Nano tip Fiber Optic Cleaning Swab Stronger, Ultra Precision Foam Made in the USAPart Number: 71 7770 The new and improved Nano tip is a high precision foam swab engineered for fiber optic cleaning and other ultra delicate applications where control, cleanliness, and consistency are critical. Designed with a micro sized foam head and a rigid polypropylene handle, Nano tip delivers precise access to tight spaces while maintaining structural strength