• Made of high quality tool steel. Electronic Digital Double Beam • Including offset steel scriber, fitted case. SpareSpare ScriberClamp Model No. RangeGraduationModel No.Model No.Model No.Range300mm/12"0.001mm/0.0001"621-8312621-E012621-E112(mm)0.02mm0.05mm 450mm/18"0.001mm/0.0001"621-8318621-E018621-E1180-200622-8222622-8225 500mm/20"0.01mm/0.001"621-8320621-E020621-E1200-300622-8232622-8235 600mm/24"0.01mm/0.001"621-8324621-E024621-E1240-350622-8237622-8239 0-400622-8242622-8245 0-500622-8252622-8255 0-550622-8257622-8259 0-600622-8262622-8265 0-1000622-8312622-8315