The Telescope Herbst Crimpable Shim Accessories has 10 of each crimpable shim size (1mm, 2mm, 3mm, 4mm), 10 hex wrenches, and 10 AppleCore screws.

The telescoping crimpable shims are used with the telescoping Herbst appliances. The telescoping shims are available in 1mm, 2mm, 3mm and, 4mm lengths. It is very important to use the telescoping shims from Specialty Appliances. This is the only shim that works with the M4 mechanism.