86-91mm Steel Band Mikalor Clamp W1 - SBC8691 Clamps: The Mikalor brand has been synonymous with the highest quality heavy duty clamps since the origins of the group. Precision engineered is Spain to DIN 3017, Mikalor clamps are manufactured under the following quality systems: ISO 9001, ISO 14001 & ISO TS 16949. The reference heavy duty hose clamp for agricultural, irrigation mining & industrial hose applications. The Mikalor Super clamp was the first of its kind on the market and is still going strong. • Materials: • Band: Mild steel yellow zinc plate chromate & passivated. T-Bolt: 8.8 steel yellow zinc plate chromate & passivated.