Fits ST-8 tube

Semroc Centering Ring Plywood ST-7 to ST-8 x 0.25" Split(1pk) SEM-CR-7-8SP

Semroc Centering Ring Plywood ST-7 to ST-8 Split(1pk)  SEM-CR-7-8S 1/4" Plywood for centering a…

Semroc Centering Ring 1/4" Plywood with Engine Hook Slot ST-5 to ST-8(1pk) SEM-CR-5-8EHP

Semroc Centering Ring 1/4" Plywood with Engine Hook Slot ST-5 to ST-8(1pk)   SEM-CR-5-8EHP…

Semroc Centering Ring 1/4" Plywood ST-5 to ST-8(1pk) SEM-CR-5-8P

Semroc Centering Ring 1/4" Plywood ST-5 to ST-8(1pk)   SEM-CR-5-8P Plywood ring for center…

Semroc Centering Rings Fiber ST-8 to BTH-52(LT-115)(2pk) SEM-CR-8-52H

Semroc Centering Rings Fiber ST-8 to BTH-52(LT-115)(2pk)   SEM-CR-8-52H Laser-cut fiber ri…

Semroc Centering Rings Fiber ST-8 to BT-58(2pk) SEM-CR-8-58

Semroc Centering Rings Fiber ST-8 to BT-58(2pk) SEM-CR-8-58 Laser-cut fiber rings which center an ST…

Semroc Centering Ring Wound Craft Paper Split ST-5 to ST-8(1pk) SEM-CR-58S

Semroc Centering Ring Wound Craft Paper Split ST-5 to ST-8(1pk)   SEM-CR-58S  Wound C…

Semroc Centering Rings Fiber ST-8 to ST-16(BT-60)(2pk) SEM-CR-8-16

Semroc Centering Rings Fiber ST-8 to ST-16(BT-60)(2pk)   SEM-CR-8-16 Laser-cut fiber ring …

Semroc Centering Ring Wound Craft Paper ST-7 to ST-8(1pk) SEM-CR-78L

Semroc Centering Ring Wound Craft Paper ST-7 to ST-8(1pk)   SEM-CR-78L  Wound Craft P…

Semroc Centering Ring Wound Craft Paper ST-7 to ST-8(1pk) SEM-CR-7-8

Semroc Centering Ring Wound Craft Paper ST-7 to ST-8(1pk)   SEM-CR-7-8  Craft Wound P…

Semroc Centering Ring Wound Craft Paper ST-5 to ST-8(1pk) SEM-CR-58

Semroc Centering Ring Wound Craft Paper ST-5 to ST-8(1pk)   SEM-CR-58  Spiral Wound P…