DMM Micro Wallnut Blue 0. They feature straight sides to give alternative placement options to our other alloy micro-protection. Used in conjunction with Peenuts they provide comprehensive protection for small cracks in friable rock. Specifications for DMM Micro Wallnut: Manufacturer: DMM Condition: New Fabric/Material: Aluminium Alloy Age Group: Adults Features of DMM Micro Wallnut Micro protection for small cracks Large surface area effectively dissipates force Colour coded for easy size identification Passive protection works in wet and icy conditions Package Contents: DMM Micro Wallnut DMM A1610AA: Micro Wallnut Blue