Works With Models: HP241, HP241R, HP341, HP341R, HP741, HP741R 2–7 Day Shipping Free Shipping On Orders Over $79 Product Information The Dynamic™ 2-Point Hardhat Chinstrap works in tandem with models HP241, HP241R, HP341, HP341R, HP741, and HP741R to secure them in place while working on construction applications such as road work, excavation, and industrial work.
