Bolt hole dimension measured across the front is 10-5/16". From extended centerline from top bolt holes down to the single bolt hole is 6-5/8".
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What's in the Box
Mount this assembly stand to your work bench (or engine stand) and stop wrestling with the third member every time you need to replace a gear set or spool. Saves you time and energy! Rotates 360° for total access to your assembly.