Galvanized Ridg-U-Rak PP-500 Pinch Pin beam spring clip beam locks are a Ridg-U-Rak storage rack accessory used to secure orange colored Ridg-U-Rak horizontal load beams to forest green colored vertical upright frames. Pinch pins are a compression clip that is pressed together and inserted into the back of the roll formed upright and released so that the steel rivets lock the beam and upright together. These safety clips will prevent accidental dislodge of beams by forks of lift truck. This clip will not work with tear-drop style racking. Ridg-U-Rak part number PP-500. In stock for quick delivery.