Tempered aluminum rungs are hydraulically double crimped to aluminum plate. D-Formed Rungs – Tempered, serrated aluminum rungs present for a slip-resistant floor. Affect resistant caps on all rail ends present rail safety for longer life and shield surfaces. Louisville Ladder’s Full Metallic Boot – Additional heavy responsibility solid aluminum sneakers with thick rubber tread. QuickLatch geared up runglock offers simpler technique of securing fly and base sections when prolonged.