Triang OO gauge cylinder block with slide bars with fixing screw for a Princess Class 4-6-2 locomotive.Lined Maroon.There are 2 differert types of cylinder block for the Triang Princess Please make sure it is correct for you.Repair your loco at a budget price or the basis for a project,Please examine pictures as what you see is what you will receive.UK sales only please we post only to UK addresses.