Description:
Humboldt H-1300 Certified Penetrometer Needle for Bituminous Materials. Certified to ASTM accuracy by an independent laboratory. Standard hardened stainless steel needle, 40-45mm exposed needle length. Wt. 2.5g. ASTM D5; AASHTO T49, IP49; ASA Std., A37.1; Fed Spec. SS.R. 406C, Meth. 214.01.