Hydraulic hoses can be mounted in the 1/16" (.0625) holes.
Three Hydraulic Lever Block - 16th Scale - Loader / Cylinder Hydraulic Lever
5x Hydraulic Fittings - 16th Scale - Hydraulic Fitting for Straight Connections
5x 90 Degree Hydraulic Fittings - 16th Scale - Hydraulic Hose Connectors
Hydraulic Hose - 16th Scale - 1 Foot Length - Fuel Line, Gas, Diesel, Kerosene
5x Hydraulic T-Fittings - 16th Scale - Hydraulic Hose Connectors for Tee Connect
5x Hydraulic Female Quick Connect Ends - 16th Scale - Hydraulic Hose Connectors