MS TELESCOPIC CHANNEL (BLACK) FEATURES: Full Extension Ball Bearing SlideFinish: Zinc Plated/Black Powder CoatedWeight Capacity: 45 kgs set80,000 times cycle tested CODE NO. DTC-102-10" BK/ZK DTC-102-12" BK/ZK DTC-102-14" BK/ZK DTC-102-16" BK/ZK DTC-102-18" BK/ZK DTC-102-20" BK/ZK DTC-102-22" BK/ZK