The Chainmail Glove Tensioner effectively reinforces a secure and comfortable fit for all chainmail gloves. Made from 100% polyurethane, the tensioners are hard-wearing and long-lasting. - Complies to EN ISO 13999-1 and EN 1082-1. - Available in white and blue. - Also called 'Sergan' or 'Finger Fix'. - One size fits all - tensioner will stretch to fit individual's hand.