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- Semroc Fiber Block BT-20(6pk) SEM-FB-20 *
Semroc Fiber Block BT-20(6pk) SEM-FB-20 *
$1.39
 SEM-FB-20 *, $1.39 (http://www.erockets.biz/semroc-fiber-block-bt-20-6pk-sem-fb-20/))
Product Description
Semroc Fiber Block BT-20 (6pk)
Fiber Blocks are used as lightweight plugs. Length is 0.060" x 0.724" diameter.
or end caps for Official Competition Payloads.
