Reusable drives with easy loading Independently drive-able tetrodes

Photo Name Tetrode Drives Reference Drives Grounds Travel Pitch Mass
Harlan 8 Drive 8 0 1 7.5 mm0.16 mm4.2 grams
Harlan 4 Drive 4 0 1 5.0 mm0.16 mm2.1 grams
Harlan 28 Drive 24 4 1 10.0 mm0.16 mm14.4 grams
Harlan 12 Drive 12 0 1 10.0 mm0.16 mm7.7 grams