Heavy Duty Caliper Stainless steel or carbon steel Range: 0-500mm, 0-600mm, 0-800mm, 0-1000mm, 0-1500mm, 0-2000mm, 0-3000mmWith / without upper jaws Jaw long: 100mm or 125mm or 150mm Open / Mono-block with fine-adjustment According with GB/T1214.2 standard Products can be provided at clients' requests package: wooden case