HAZET Safety-Insert-System (SIS). Safety-Insert-System, 2-component soft foam insert. Insert also suitable for HAZET Assistant. Made in Germany. Output: Outside 12-point profile. Net weight: 1.13 kg. Order system size: 1/3 (342 x 172 mm) / Smart Case L. HAZET Safety-Insert-System (SIS). Perfect order system - all tools are snugly embedded. Fast, integrated completeness check – missing tools are noticed immediately. Unlimited combination options. Suitable for all HAZET tool trolleys Assistant with drawers - - For tool trolleys Assistant 173, 179 (XL-XXL) and 180, we recommend usage of the soft foam inserts 163-522x40 or 163-522x50. Number of tools: 7 Stuck. Double box-end wrench 630-6X7 ∙ 630-8X9 ∙ 630-10X11 ∙ 630-12X13 ∙ 630-14X15 ∙ 630-17X19 ∙ 630-21X22