What is the meaning of 1/8-3 of the tongs in the pipe
3 is 3 inches, 1/8-3 is 1/8 to 3 inches.It can be covered in a tube of 1/8-inch to 3-inch.
A pair of pliers that can clamp down to the size of a tube of 1/8-3.I hope my answer will help you.
1/8 is the expression of the inch, the inch is divided into 8 equal parts, one inch is 2.54 centimeters, 1/8 is 2.54/8 = 0.3175 centimeters, and then 1x0.3175 is 0.3175 centimeters. For example, 3/8 is 3x0.3175 = 0.9525 centimeters. And then the minus 3 is not clear.