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: 10+15+20=45mm long, Length 50 mm: 10+40=50mm long, Length 55 mm: 15+40=55mm long, Length 60 mm: 60mm long, Length 65 mm: 40+10+15=65mm long, Length 70 mm: 10+60=70mm long, Length 75 mm: 15+60=75mm long, Length 80 mm: 80mm long, Length 85 mm: 60+10+15=85mm long, Length 90 mm: 80+10=90mm long, Length 95 mm: 15+80=95mm long, Length 100 mm: 100 long. Length 105 mm: 90+15=105mm long. ...... Length 315 mm: 100+80+60+40+20+15=315mm long. SUXING specializes in measuring instruments.