Bollard Impact Surface Mounted - 900mm HighImpact Surface Mounted Bollard (900mm High) Flexible Safety & Asset Protection The Enforcer Impact Surface Mounted Bollard (900mm) is designed for optimal flexibility, significantly reducing damage to vehicles, infrastructure, and surfaces upon collision. Engineered from premium grade Thermoplastic Polyurethane (TPU), this bollard flexes under impact and swiftly returns to its upright position, absorbing impacts from vehicles up to 20 tonnes at speeds