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  • Photograph of a long arm PVC-coated open ring clamp.

Long Arm PVC-Coated Open Ring Clamp

Item #: 22156

Normal Availability: 2-3 business days

Product Description

These PVC-coated aluminum open rings can be used to mount funnels, boiling flasks and other irregular shaped objects to laboratory ring stands and other supports. The PVC cushion protects your glassware from accidental damage or breakage, and the extended arm length works great with bulky items that might interfere with the vertical support. Available in 3, 4, and 5" diameters.  Clamp holder sold separately.  For plain uncoated open rings see item # 22155.

Ring Diameter Extension arm length Arm diameter Overall length
75 mm (3") 254 mm (10") 9 mm (0.35") 328 mm (12.91")
102 mm (4") 305 mm (12") 9 mm (0.35") 404 mm (15.91")
127 mm (5") 305 mm (12") 11 mm (0.43") 427 mm (16.81")



WARNING: OHAUS products can expose you to chemicals including the chemicals listed in this Table, which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to

These and other Proposition 65 chemicals may be present only in residual amounts, or contained internally in OHAUS equipment, or encapsulated in another material where exposure is unlikely or negligible. This warning is being provided out of an abundance of caution.

Other Details

Manufactured in: USA

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