Description of VERTEX 3900 2330 Horizontal Vertical Rotary
10 second Vernier reading with a gear ratio 90:1. One rotation of handle equals 4° on collar. Overall Horizontal Height: 4.5", Overall Vertical Height: 12.8". Center Hole: 3MT, Vertical Center Height: 6.5". 6 T-Slots, T-Slot Size: .55".