Toolex 530191 Telescopic Gauge Set - 6 Piece
Includes:
B - 1/2"- 3/4" (12.7mm - 19mm)
E - 2 1/8" - 3 1/2" (54mm - 90mm)
C - 3/4" - 1 1/4" (19mm - 32mm)
F - 3 1/2" - 6" (90mm - 150mm)
A - 5/16" - 1/2" (8mm - 12.7mm)
D - 1 1/4"- 2 1/8" (32mm - 54mm)
Features:
It is made of carbon steel with chrome plating on the surface.
Use the gauge to expand in the hole to be measured, lock it in place, and then take it down, and measure with micrometer or caliper to determine the final hole size.
The rigid handle and double acting design (automatic centering) can quickly check the internal dimension. The spring tension is constant and the hand feel is even.
It is used to obtain the exact size of holes and slots, which is suitable for factories, schools, offices and other places.