All PPE Maillon Rapides are manufactured by Péguet in accordance with: 

EN 362:2004 Personal Protective Equipment against falls from height - Connectors

EN 12275:1998 Mountaineering Equipment - Connectors - Safety Requirements and Test Methods

Each PPE certified Maillon Rapide has a laser etched unique number on the locking nut for end user traceability

NB: Pictures are examples of shape and may not match listing. Please see specifications above for accurate details.