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Base unit adjust from 7-1/2" to 12" |
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Base unit consists of two 6" steel rods fixed to aluminum clamp heads |
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Rods have threaded end holes that accept the interchangeable brass tips or extension rods (included) |
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Three styles of tips included: ball tips for inside measurements, pointed tips for inside corner measurements and mushroom-shaped tips for outside measurements |
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Clamp heads have large thumbscrews that slide easily for quick adjustments |
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Two pairs of extension rods included: 4" and 12" allowing a maximum span of 44" |
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Additional 12" extensions available |
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Available 1-3/8" diameter mushroom-shaped tip provides larger reference face when hooking over edges for outside measurement and is reversible for inside measurements |
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With flat side out, provides stable platform for bar gauge when transferring vertical measurements |