Ring Support, Closed, 4 Inner Diameter - Cast Iron - Eisco Labs

4" inside diameter cast Iron 5/16" diameter Ring with integral screw clamp Fitted with thumb-screw to accept rods from 5/16" to 5/8" dia Extension distance from center of rod to center of ring is approx. 4.75" Clamp from Boss head center line measures 6.5" to edge of closed ring Rugged cast-iron construction Cast iron

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Ring Support, Closed, 4 Inner Diameter - Cast Iron - Eisco Labs

Heavy Duty Skeleton Holder / Stand Cast Iron Base

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StonyLab Support Retort Ring Set, 3 Pieces Iron Lab Support Ring with Boss Head in Diameter 60mm 80mm 100mm for Laboratory Experiment, Sturdy Corrosion Resistant: : Industrial & Scientific

Ring Support, Closed, 4 Inner Diameter - Cast Iron - Eisco Labs

Heavy Duty Skeleton Holder / Stand Cast Iron Base

4 Piece Set - 8x5 - Eisco Labs

Ring Support, Closed, 4 Inner Diameter - Cast Iron - Eisco Labs

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4 inside diameter cast Iron 5/16 diameter Ring with integral screw clamp Fitted with thumb-screw to accept rods from 5/16 to 5/8 dia Extension

Ring Support, Closed, 4 Inner Diameter - Cast Iron - Eisco Labs

Ring Support, Closed, 4 Inner Diameter - Cast Iron - Eisco Labs