3m hard hats are engineered to provide comfort, protection, balance, and stability to help keep diyers and professionals safe. 3m non vented hard hat with pin lock adjustment is worn to help protect the head from possible impact. comfortable suspension sits lower on head to reduce pressure points and increase security. features a pin lock system for easy size adjustment.

3M 33349, 641WY 1/4" X 24", 220 Mesh Diamond Cloth Belt, 7010534919
3M 11137, Roloc Disc 361F, 50 YF-weight, TR, 1-1/2 in, Die R150S, 7000045094
3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894 
