Designed for standard or modified compaction tests with 5.5lb. hammer and 12” drop or 10lb. hammer and 18” drop. Compactor automatically counts hammer blows and shuts off when the preset number has been reached. Mold indexes after each blow to guarantee uniform compaction. Handles 4” diameter and 6” diameter standard compaction molds. Comes equipped with start/stop switch, automatic counter, 2” diameter round hammer, pie-section hammer, 4” and 6” diameter compaction molds, and surcharge weight. ASTM D558, ASTM D559, ASTM D560, ASTM D698, ASTM D1557, AASHTO T99, AASHTO T134, AASHTO T135, AASHTO T180 For replacement parts please inquire 724-528-8507 or sales@cmte4u.com