Dial Digital Indicator Extension Stem Set 4.5mm Diameter 10 15 20 40 60 80 100mm Long Extend Rod (4-48 UNF Thread) 4-48 UNF Thread Style:4-48 UNF Thread DimensionsDiameter: 1/4" | Length: 1-1/2"

DimensionsDiameter: 1/4" | Length: 1-1/2" | Threads per Inch: 20 | Thread Type: Coarse | Quantity: 25 pcs | Material: 18-8 (304) Stainless Steel

Warning: use of these sockets with an impact tool can cause serious injury

The precision thread and high polished surface

9mm) Thick Stainless Steel

Stainless Steel Inner Thread Inserts

Dial Digital Indicator Extension Stem Set 4.5mm Diameter 10 15 20 40 60 80 100mm Long Extend Rod (4-48 UNF Thread) 4-48 UNF Thread Style:4-48 UNF Thread DimensionsDiameter: 1/4" | Length: 1-1/2"Dial Digital Indicator Extension Stem Set 4. 5mm Diameter 10 15 20 40 60 80 100mm Long Extend Rod (4 48 UNF Thread) 7 extension rods in lengths 10mm,15mm,20mm,40mm,60mm,80mm,100mm. Make any combination up to a total of 315mm. 5mm Spacing Length Length 10 mm: 10mm long, Length 15 mm: 15mm long, Length 20 mm: 20mm long, Length 25 mm: 10+15=25mm long, Length 30 mm: 10+20=30mm long, Length 35 mm: 15+20=35mm long, Length 40 mm: 40mm long, Length 45 mm: