Product Features

  • Available in Size 12, Size 18, Size 28, and Size 35.
  • Use to securely assemble and hold component parts of glass ball and socket or O-ring joints.
  • Made of high-quality stainless steel, ensuring it??s durably and sturdily constructed. 
  • Screw type locking nut design. 
  • StonyLab aims to provide high-quality products with satisfying customer service. 


Product Options

  • Size 12: XL-815473
  • Size 18: XL-815323
  • Size 28: XL-815324
  • Size 35: XL-815325

Spherical Pinch Clamp, Stainless Steel Joint Clamp Holder, Screw Locking Nut

SKU: XL-815603
  • Processing Time

    Usually Ship in 5 - 7 Business Days. Shipping may take longer than expected during COVID-19.

Customer questions & answers


kathie Morris

A lil expensive and the one had a deformed stem tip.

Brian Scott Sheldon

Very durable glassware. I ordered another set of 120mm funnels. I will use Stonylab glassware from now on.


the item is what it was described and works well for my purpose

John R Van H ouden

Top notch for what am using them for

Jessica Linder

Very nice glass work very well packagd I haven't used it yet planning to use for precious metal recovery not sure about the white stone or if I got the wrong piece ?? looks great



120 Lake Ave S Suite 22
Nesconset, New York 11767


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