Specification :

Features :
The combining of extension rods provides a wide measuring range.
Carbide measuring faces.
Supplied with a standard caliper gage for zero setting.
Diameter of extension rods:¦22mm.

Specifications :
Measuring Range Order No. Resolution Extension Rods
150-175mm(6-7") 242-301 0.01mm(.001") Micrometer head
150-1400mm(6-56") 242-302 0.01mm(.001") 25mm,50mm(2pcs.),100mm,200mm,400mm(2pcs.),
1",2"(2pcs.),4",8",16"(2pcs. ),
150-2000mm(6-80") 242-303 0.01mm(.001") 25mm,50mm(2pcs.),100mm,200mm(2pcs.),400mm(3pcs.),
1",2"(2pcs.),4",8"(2pc s.),16"(3pcs.),
150-2100mm(6-84") 242-304 0.01mm(.001") 25mm,50mm(2pcs.),,100mm(2pcs.),200mm(2pcs.),400mm(3pcs.),
1",2"(2pcs.),4" (2pcs.),8"(2pcs.),16"(3pcs.),