Model 50 cm (l) × 7.3 mm (t): PFP-50N Mounting track 1 m (l) × 7.3 mm (t): PFP-100N Track-connecting Socket 1 m (l) × 16 mm (t): PFP-100N2 End plate • 1 PFP-M Spacer PFP-S Back-con