Description
Two sets of Shims and Extensions offer the option to create height-adjustable work surfaces.
- 6-pc set of Shims
- 14-pc set of Shim and Extension
All shims have 28 mm inner diameter and 50 mm outside diameter.
T28-570030 is a 30 mm Prism Extension for quickly and securely screwing in all prisms and enables positioning of the prism at different heights in combination with shims.

![Shim Supports Sets [Alpha 28]](http://www.easternweldingsupply.com/cdn/shop/files/T28-585000_15-1.jpg?v=1750263707&width=1500)
![Shim Supports Sets [Alpha 28]](http://www.easternweldingsupply.com/cdn/shop/files/T28-585000-6PK-1_43a4325f-9ccf-4470-80e2-76e2f544f706.jpg?v=1750263707&width=1500)
![Shim Supports Sets [Alpha 28]](http://www.easternweldingsupply.com/cdn/shop/files/T28-585000-6PK_6b2ef50a-0173-4762-8b20-30f30860329b.jpg?v=1750263708&width=1500)