PECO PL-12 ADAPTOR BASE-for use with switch machine above baseboard Adaptor base to accept PL10 type point motors for either above or below base board use, includes an over centre spring, as fitted to all Peco turnouts. If it is wished to fit the turnout motor above the baseboard, rather than below, then the adaptor base is used. An extension arm included allows the motor to be positioned up to 40mm away from the track. The point's over centre spring has to be removed as that in the base takes over