3m hard hats are engineered to provide comfort, protection, balance, and stability to help keep professionals and diyers safe. 3m vented hard hat with ratchet adjustment has comfortable suspension that sits lower on head to reduce pressure points and increase security. featuring a vented design to help wearers stay cooler. offering lightweight protection and durability, 3m vented hard hat with ratchet adjustment is part of the 3m pro series safety products line which was designed for the way pros think, the way they shop and the way they work

3M 26054, PPS Series 2.0 Adapter, Type S18, 3/8 Female, 18 Thread NPS,
4 per case
3M 26118, PPS Series 2.0 Adapter, Type S26, 11 mm Male, 1.0 mm Thread, 7100135924
3M 26128, PPS Series 2.0 Adapter, Type S33, 1/8 Female, 27 Thread NPT, 7100135950 
