Proctor 6" Split Mold - Mod.  HM-315
6" ID x 4.584" H with detachable collar.
Mold volume of 1/13.33 cu. ft., cold-rolled steel tubing, plated for rust resistance.
Mold has vertical split in body with 2 quick-acting clamps for easy removal of specimen.
Clamps are rotated 15° off base plate corners for easier installation on automatic mechanical compactors.
Steel base plate is 8" x 8" x 1/2" thick.