This Wing Sung 3008 was kindly sent to me by Annie – thank you very much!

Measurements 
Length (capped): 139.7 mm/5.50″
Length (uncapped): 128.5 mm/5/06″
Length (posted): 168.1 mm/6.61″
Diameter (section): 9.6 – 10.8 mm/0.38″ – 0.43″
Diameter (barrel): 12.4 mm/0.49″
Weight (all): 26 g
Weight (cap): 15 g
Weight (body): 11 g