Barrett Phaco Axe with horizontal chopper The Nucleus Divider / Horizontal Chopper is straight and the inner and outer sides of the tip are sharp and 1.25 millimeters long. Left or right side port. Cutting edge is 60 degrees to axis. Shaft is angled 45 degrees with a tip to angle length of 14 millimeters The Barrett Phaco-Axe / Vertical Chopper has a 45 degree angled shaft with a tip to angle length of 10 millimeters. The axe is 0.75 x 0.75 millimeters. Barrett handle length is 12.5 centimeters