Werner, Co. issued a recall for around 120,000 multi-purpose ladders due to locking mechanisms jamming, increasing the risk of fall and injury.

The Illinois-based company said owners of the ladders being recalled should stop using them immediately and register at www.wernerco.com/recalls to begin the process for a full refund. Once owners have properly disposed of their ladders per Werner’s instructions, the company said it will issue a check for a full refund.

Werner on Thursday said it is recalling more than 100,000 faulty ladders due to a locking mechanism that can fail, potentially causing users to fall and injure themselves. In cooperation with federal consumer product regulators,