21mm T to T Spacer - Durable Metal Spacer for Industrial Machinery, Automotive, and DIY Projects
$13.72
$24.95
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Description
Use this female T-thread to male T-thread spacer to extend standard T-thread adapters to achieve the correct backfocus for your telescope. 21mm in length. Anodized black aluminum, internally threaded for light baffling. Made in USA.
