Length： 43 mm. Material：Solid brass.
M7B Steam Engine Displacement Oiler for Steam
1/4"x40 TPI Brass Displacement Oiler for Live Steam Engines - Microcosm
M7B 1/4"x40 Brass Displacement Oiler – 3mm Line for Model Steam Engines
Solid Brass Displacement Oiler Lubrication for Model Steam Engines - 1/4" x 40 T
Displacement Oiler Live Lubricator Microcosm for A Model Steam Engine
M7C Brass Displacement Oiler 1/4"x40 TPI for Live Steam Engines Models
