Length: 10.5 inches (26.7 cm)
Weight: 0.52 oz (14.7 gm)
Flicking tip diameter (1" from end): 1/8" (3.25 mm); equivalent to US size 3 knitting needle
Whorl to shaft density ratio: 1.2
The bog oak from which the whorl is made is approximately 5000-5500 years old.