Combination spanner to be used with protective inserts for mounting Hygienic Usit® and Hygienic Design® products - Materials: Spanner: Tool steel Inserts: AlSi1MgMn Advantages - The protective caps have been specifically designed for fastening and un-fastening screwed connections with delicate surfaces. - The protective caps will safely avoid the risk of contact corrosion with stainless steel screwed connections. - The protective cap is safely held in the spanner thanks to its special form and a sprung clip. Accessories - *Use the CM/HD/CF insert with the open-ended spanner and the CM/HD/CO insert with the ring spanner