Overview Reviews Product Description For HMT-1Z1 only. Compatible with the HMT-1Z1 but not Intrinsically Safe. Can be used with the HMT-1Z1 outside of hazardous locations. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × REALWEAR Realwear Hard Hat Clips for HMT-1 and HMT-1Z1, MSA V-Gard, Front Brim, (3 Pair Pack) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments