Spectrum Drilling Tools International has developed a Tubing Spiders which can handle tubular ranging from 1.315 up to 5½ and load rating of 125 tons. 

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This spider is made in accordance with API-7K specification. The Model CHD spider is made with high grade steel alloy, which is passed heatreated and tempered to increase the strength and wear resistance. 

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This spider can be operated from a long distance with a help of foot pedal system. This pneumatically controlled spider can also be controlled manually, which makes it user friendly. Drilling Crew finds such a option more convinent and better compared to only manually operated spiders. 

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Below is the table which tells about which body size can be used to handle different types of Tubulars:-