Beslands 6 Pc Telescoping Gage Set 5 16inch - 6inch Range T-Bore Hole Gauges w Pouch High Precision Telescopic Bore Gauge T-Gage Set -5 16inch to 6inch -

Range: 5/16" - 6" (8mm to 150mm), 6 pc set includes: 1 gage: 5/16 - 1/2" range x 4.20" overall 1 gage: 1/2 - 3/4" range x 4.40" overall 1 gage: 3/4 - 1-1/4" range x 4.40" overall 1 gage: 1-1/4 - 2-1/8" range x 5.85" overall 1 gage: 2-1/8 - 3-1/2" range x 5.85" overall 1 gage: 3-1/2 - 6" range x 5.85" overall Spring with locking knurled spiral The gauge extends in the hole to be measured (lock it in place, then use a micrometer or caliper to remove it to determine the final hole size). Constant spring tension makes the hand feel even The contact point is hardened tool steel and finely ground within the final measuring radius Get the exact size of holes, slots, holes or grooves Rigid handle and double-action design (self-centering), which can quickly check internal measurement results with vinyl case