Redback Drop-Proof 600 Ohm Microphone 

This balanced microphone has a specially designed grill that can withstand a drop impact without losing its shape. The tough zinc diecast housing has an inbuilt 3 pin XLR male connector and on/off switch. It is supplied complete with 5m twin shielded balanced lead (3 pin XLR female to 3 pin XLR male).
Polar Pattern: Unidirectional
Housing Material: Zinc Diecast
Impedance: 600 Ohm
Sensitivity: -72dB ±3dB
Frequency Response: 50Hz - 15kHz

A specially designed grill ball means the mic "bounces" rather than crushing the grill when it's dropped!