Insulated Diagonal Cutters for Working at Height Our insulated diagonal cutters have been precisely for safety when working at height. Each plier in our range includes a hard-wearing attachment point that lets you safely tether the item to your harness or tool belt. This simple yet important function is effective in preventing tool droppages and averting serious accidents while working at height. Perfect for skinning wires, cutting or removing nails and pins, these diagonal cutters offer fantastic control and comfort, while the solid metal construction ensures they can stand up to a lifetime of tough trade conditions. Furthermore, the inclusion of high-quality insulated moulding means our insulated diagonal cutters protect against electric shock and arcing up to 10,000 volts.