Dual Graduations (tenths, cm)
	
Twist Lock
	
40-Minute Vial
	
Swiss-Style Tip (for 86 mm prism heights)
	
Extends to 8.53 ft (2.60 m)
	
Collapses to 4.97 ft (1.51 m)
	
Outside diameter of 1.25 inches (31.75 mm)
	
Red and White
	
Weighs 3.30 lb
	
#5501-11