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: : Industrial & Scientific
4 Piece Set - Rectangular Retort Stand, Rod, Clamp & Ring Set - 8
Iron Stand at Thomas Scientific
Replacement Ring and String for Eisco Labs Standard Force Table (PH034
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Replacement Ring and String for Eisco Labs Standard Force Table (PH034
Replacement Ring and String for Eisco Labs Standard Force Table (PH034
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Ring Support, Closed, 4 Inner Diameter - Cast Iron - Eisco Labs
Support Ring, Accessory, Support Ring - 8PWC2
Support Rings at Thomas Scientific
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