The Poly Fibre Insulated range has all the benefits of the fibreglass/polypropylene construction along with the peace of mind that they are compliant with BS8020:2012. This is an exacting specification that demands full adherence to detailed manufacturing & testing procedures for safe working practises to be maintained by the user when working on or in close proximity to live conductor cables. Every tool is flash detected to 10,000 volts before the issue of a unique certificate for every tool. The Newcastle Drainer is known in some trades as the ‘Grafter’. It is designed for digging deep & narrow trenches, channels & post holes. The narrow blade & wide tread allows for easy penetration of most surfaces & and the long curved blade assists in effective spoil removal. Head Size 7″ WIde to 4″ Tip x 16″ Long.