Matte version--Aluminum, ground matte finish
Anodized version--Aluminum, black anodized finish
Cap screws: DIN 912, stainless steel, European Standard No. 1.4301 (American Standard Series 304)
ADJUSTABLE CLAMPING LEVER KITS GN 511 (SOLD SEPARATELY):
These kits can be used to replace the DIN 912 cap screws with adjustable levers. They include lever and spacer bushing, unassembled. See GN 511 to order separately; see right hand column in tables for part numbers of appropriate kit.
The various types of mini-clamps are typically used to build support structures for mounting sensors, plexiglass guards, or other elements.
GN 478 connector mini-clamps are
designed primarily for use with GN 479 sensor brackets and GN 479.1 mounting brackets.
In the standard version, the clamping force of the clamp onto the tube is achieved via the socket cap screws.