Technical Data:
Tubular inside micrometer
Range: 100-1300mm
Micrometer head range: 100-125mm
Micrometer head graduation: 0.01mm
Micrometer head accuracy: +/-4um
Micrometer head weight: 154g
Carbide measuring faces for micrometer head and extension rods
Points of extension rods are spring loaded
Extension rods: 25mm, 50mm, 100mm, 200mm, 400mm (2 pcs)
Extension rod 25mm accuracy: +/-1.25um, weight 37g, material steel
Extension rod 50mm accuracy: +/-1.25um, weight 65g, material steel
Extension rod 100mm accuracy: +/-2um, weight 113g, material steel
Extension rod 200mm accuracy: +/-3.5um, weight 208g, material steel
Extension rod 400mm accuracy: +/-4.5um, weight 402g, material steel
Extension rod 1000mm accuracy: +/-7.5um, weight 909g, material carbon fiber

Dimensions:
Micrometer head/body diameter references=dia.18mm; dia.8mm; dia.22mm; dia.20mm; dia.6.7mm
Drawing references=44.5mm; 150mm; 100mm; 4mm; 4mm
Extension rods 25-400mm thread=M12x1 and diameter reference=dia.16.5mm
1000mm carbon fiber extension rod length=1000mm, diameter reference=dia.31mm, thread=M12x1

Remark:
1m carbon fiber extension rod: light weight, no deformation
Carbon fiber measuring face and extension-rod point are spring loaded
Optional accessories: gauge block accessory 6881, cylinder gauge block 4001, caliper/height gauge checker 6884
Supplied with manufacturer inspection certificate