The DIN Rail End Screw Clamp Terminal Fixed Block end stops are a type of terminal block accessory that is used to prevent DIN rail terminal blocks from sliding off the DIN rail. They are made of a durable plastic material and are easy to install. Features: Prevents DIN rail terminal blocks from sliding off the DIN rail Made of a durable plastic material Easy to install Pack of 20 Specification: Material: PA66 Nylon Plastic Fire retardant Installation Method: DIN Rail Mounted Product use: suitable for 35mm wide guide rail Package Quantity: 20 Pieces Length: 20mm Width: 10mm Height: 10mm Uses: Securing DIN rail terminal blocks to DIN rails Preventing damage to DIN rail terminal blocks Ensuring the safety and reliability of electrical systems Package includes: 1 x DIN Rail End Screw Clamp Terminal Fixed Block end stop