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China Work Over Fishing Tool manufacturers Product Details Quick Details Applicable Industries:Energy & MiningPlace of Origin:China Quality:ExcellentType:Lead Impression Block Machine Type:Fishing ToolAdvantage:High Performance Material:Iron, AlloyProcessing Type:Forging Use:oil drilling, Downhole FishingProduct name:Lead Impression Block Color:BlueApplication:Fishing MOQ:1 pcStandard:API Product Description Product Details Impression Block Impression Block is am effective tool used to determine dimensions, configuration, and location of the top end for a fish in the hole. Construction Impression Blocks are manufactured with a high strength alloy steel body and a soft lead insert at the lower end. All impression blocks are provided with a watercourse for flushing the top of the fish before lowering the tool against it . Impression blocks without a watercourse can be furnished upon request. Operation Make up the impression block to the bottom of the fishing string and run into the hole. Do not rotate. Slowly lower the impression block to the point of contact with the fish. Apply weight to the impression block and lift it from the hole. When ordering, please specify: Complete assembly or part number Top connection Lead O.D. Technical Parameter SpecificationThread ConnectionI.D. of lead dieLength(mm)Total length O.D.Thread Mode(in) 2702036 5/8REG40150450 2251654 1/2IF40130400 1951594IF30120350 1701213 1/2IF30120300 1201082 7/8IF20100300 100892 1/2ZG20100250China Work Over Fishing Tool manufacturers website:http://www.besdrill.com/fishing-tool/work-over-fishing-tool/