PEM Anvil For FHL, FHLS Fasteners M4 (Part No. 8003305) is engineered for reliable performance in professional fastening, access hardware and assembly applications. Its listed specification includes For Material <= 1.51mm. It is intended to support accurate, repeatable installation and dependable operation in professional production and maintenance environments. As part of the PEM product range, it reflects the brand's established focus on consistent quality and application-led engineering. Its application-focused design helps engineers and technicians maintain consistent assembly quality and minimise avoidable downtime.