Replacement tubes for Capstone letter opener and magnifying glass kits. Package contains five tubes.
Tube will fit a hole drilled with a W drill bit (approx. 9.80 mm or 0.3860 decimal inches). For reference, a 25/64 drill bit is slightly larger at 0.3906 decimal inches). Tube length 56 mm. Will NOT fit Capstone pen kits.
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