V Block

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V-Blocks, precision metalworking jigs, are used for holding round rods or pipes during drilling and milling processes. Made of steel or cast iron, they feature a 90-degree channel rotated at 45-degrees to form a 'V' shape on top; a small groove is cut into the bottom. Screw clamps are often included for secure holding, while magnetic versions exist for magnetic workholding. V-Blocks are typically sold in pairs.