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.