6PCS Telescopic Precision Gauge Set 8-150 Mm Internal T Bore Hole Gauge Set Plated Square Head Telescopic Gauge Micrometer Measuring Tools

Features:

Sufficient quantity
Each set contains 6 pieces of internal gauges of different sizes, with measuring range of 8-150mm, enough quantity for various of repair and DIY works.
Multi function
Designed to measure the inner diameter of a round and cylinder item, widely used on various woodworking, repair, DIT, etc.
Easy to use
Simply plug in the item and lock the telescopic spring, the rotary switch on the bottom is designed for adjustment, clockwise for tightening and anticlockwise for loosening.
Easy to store
Attached with a storage bag of multi-slot design to store every caliber tidily and individually, great to store and carry out.
Superior material
Made of high-quality carbon steel material, rustproof and anti-corrosion, of good hardness and durability, with long service life.

Specifications:

Type: inner diameter gauge
Material: carbon steel
Item Color: silver
Measuring Range:
A: 0.8-1.27cm/0.31-0.5inch
B: 1.27-1.9cm/0.5-0.75inch
C: 1.9-3.2cm/0.75-1.26inch
D: 3.2-5.4cm/1.26-2.12inch
E: 5.4-9cm/2.12-3.54inch
F: 9-15cm/3.54-5.9inch

Gauge Size:

A: 11*1.27cm/4.32*0.5inch
B: 10.5*1.9cm/4.13*0.75inch
C: 10.5*3.2cm/4.13*1.26inch
D: 12.5*5.4cm/4.91*2.12inch
E: 12.5*9cm/4.91*3.54inch
F: 12.5*15cm/4.91*5.9inch(L*W)
Storage Bag Size: 20*16*2cm/7.86*6.29*0.79inch(L*W*H)  

Package Included:

6 x Telescopic Gauge

Detail Pictures: