04-04-2020, 05:20 PM
If it's a slider, I've been very happy with this Freud:
https://www.freudtools.com/products/LU91R010
https://www.freudtools.com/products/LU91R010
"73 is the best number because it's the 21st prime number, and it's mirror 37 is the 12th prime number, whose mirror 21 is the product of 7 times 3. Also in binary 73 is 1001001, which is a palindrome." - Nobel Laureate, Dr. Sheldon Cooper