Asphalt
Marshall Breaking Head, 4"
![Marshall Breaking Head, 4"](/product-originals/_lg@1x/AA-0010.jpg)
![Marshall Breaking Head, 4"](/product-originals/_lg@1x/AA-0010.jpg)
Meets ASTM D-6927 and AASHTO T-245 specifications.
The lower segment of this breaking head is mounted on a base with two vertical guide rods to connect the upper and lower segments. Sleeves on the upper segment guide the two sections together with minimal binding on the guide rods.