Specifications: Model: LML9B Type: Sliding Rail Sliding Track: Linear Rail Rail Length: 1.6 inches (40 mm), 3.9 inches (100 mm), 5.9 inches (150 mm) (optional) Rail Width: 0.4 inches (9 mm) Material: Bearing Steel Block Fixing Method: Locked Weight: 1.2 - 4.1 oz (32 - 112 g) (approx.)