These are the same thumbscrews included with all of our 50 mm - 80 mm finderscope rings. Measuring 5mm x .8 pitch with 21 mm of thread length, including the nylon tip. These are not the same as our larger machined guidescope ring thumbscrews which are used on our 102mm and 125 mm guide scope rings.
*NOTE* Pricing is $2.00 per screw. Select the number you need above.
