HAZET Safety-Insert-System (SIS). With knurling. Safety-Insert-System, 2-component soft foam insert. Insert also suitable for HAZET Assistant. Surface: CVD-TIN coated. Made in Germany. Drive: Square, hollow 12.5 mm (1/2 inch). Output: Internal serration profile XZN. Net weight: 1.4 kg. Inner Packaging: Safety-Insert-System, 2-component soft foam insert. Insert also suitable for HAZET Assistant. 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: 10 Stuck. Screwdriver socket 990-8 ∙ 990-10 ∙ 990-12 ∙ 990-14 ∙ 990-16 ∙ 990-18 - Screwdriver socket 990LG-8 ∙ 990LG-14 - Screwdriver socket 990SLG-10 ∙ 990SLG-12