Brass Nautical Steam Engine Walking Stick for Men/Women with Brass Handle, Steampunk Cane, Walking Wooden Cane for The Elderly, Working Steam Engine Working Steam Engine makes it a Unique Steampunk Accessory Material : Brass, Wood, Finish : Antiquated Brass Overall Length : 36" appox. Weight : 0.8 kg approx. Pressure Range of compressed air/steam : 12 -25 PSI Engine is single cylinder oscillating type with 10 mm bore x 10 mm stroke.