Spanner set I is a practical open-ended spanner assortment sized 14, 17, 19, 22, 27 and 41 for routine mechanical work in the chromatography and general laboratory environment. The six-piece set covers common nut and fitting dimensions encountered on HPLC systems, solvent lines, gas cylinders and bench apparatus, helping technicians tighten or release connections without improvised tools. Supplied as one complete set with an approximate weight of 1,170 kg, the kit keeps essential sizes together for quick access during instrument installation, maintenance and column or tubing changes. Offered under the ROTH SELECTION range, Spanner set I supports orderly tool control in shared chromatography suites and service carts where dedicated laboratory hardware is preferred over general workshop wrenches. Use the set for controlled fastening of fittings within the torque limits specified by instrument and fitting manufacturers to protect threads and seals during everyday laboratory operations. This article is part of Sorbents, silica gel & ion exchangers, in SPE & sample preparation. Key features Pack size: 1 set Product type: Spanner set for laboratory use Designation: Spanner set I Sizes: 14 - 17 - 19 - 22 - 27 - 41 Weight: 1,170 kg