Insulated Double Shovel Holer has a strong polyfibre shaft with excellent insulating and shock absorbing properties Pinned shaft to help prevent the grip slipping during use Integral hand stop to help prevent the hand slipping onto the metal head Heat treated and hardened ends for maximum strength Opens to 370mm Conforms to British Standard BS8020:2011 for working on or near live cable and wires – individually tested to 1,000 volts.