Scotch Adhesive Dots, Medium, 300 Dots/Pack, Easy Dispensing, Permanent, Photo-Safe (010-300M) 300 Count (Pack of 1) auspowers_batchone Contain:20pcs with a Blade container

Contain:20pcs with a Blade container

Painless Removal-Switch| Individually Wrapped for Extra Protection

Ferwooh Precise Function Signal Generator Kit XR2206 Frequency Module Sine Triangle Square Output Adjustable 1Hz-1MHz DC 9-12V

so you need to find a camera with distance scale line if you need distance scale line on the screen

Due to the material of the disc is conductive plastic

Scotch Adhesive Dots, Medium, 300 Dots/Pack, Easy Dispensing, Permanent, Photo-Safe (010-300M) 300 Count (Pack of 1) auspowers_batchone Contain:20pcs with a Blade containerScotch Adhesive Dots, Medium, 300 Dots Pack, Easy Dispensing, Permanent, Photo Safe (010 300M) Scotch Adhesive Dots are perfect for sticking embellishments to paper, wood, metal, foam and other surfaces. Great for card making and scrapbooking. The "no touch" dispenser keeps the dots free from oils, light and dirt. Product Features Easy dispensing Permanent Photo safe Great for card making and scrapbooking Clear