. STEEL SPRING GUARD 12'/PC Hose Guards prolong the service life of hoses that are exposed to rugged, hard-wearing and harsh applications. Other designs include metallic spring Guards and armor Guards, guards for PTFE hoses, and PVC guards for protection against abrasion and extreme physical abuse. Parker High Strength Spiral Guard PSG delivers anti-crush performance, exceptionally smooth facing and rounded edges to prevent the spiral guard from getting caught on rough surfaces.