SL-T27 Caster and Chair Base Durability Tester The SL-T27 Caster and Chair Base Durability Tester is a specialized furniture testing machine built to evaluate the durability of casters mounted on tables, pedestals and office chair star bases. As a caster and base durability tester, it simulates rolling wear and repeated load transfer to verify the long-term performance of mobility components. Developed for BIFMA and BS EN compliance, this furniture test equipment is an