Mounting accessories Central hanger for attaching the SDT support rail to a chain. In combination with ball-tested lights ballea, sportler, SDT-Match and THLA, a horizontal, inclined (following the roof pitch) pendulum mounting is possible. Mounting distance for sports facility lights up to 2.5 meters. Mounting distance up to 4.5 meters. Accessories for SDT. Central hanger made of steel. Central hanger for attaching the SDT support rail to a chain. In combination with ball-tested lights ballea, sportler, SDT-Match and THLA, a horizontal, inclined (following the roof pitch) pendulum mounting is possible. Mounting distance for sports facility lights up to 2.5 meters. Mounting distance up to 4.5 meters. Accessories for SDT.