Newcatle drainer (Tool Draining) for use when required to produce a narrow tapering walled trench to bury small cables. It has a curved narrow blade 16Â long tampering from 5 Â½Â to 3 Â½ Â wide at the cutting edge. MYD handle. The new POLYFIBREPRO range is designed to offer the engineer a high degree of FibreGlass strength along with the comfort of a profile moulded PYD hand grip. The fibreglass core is coated with an injection moulded polypropylene sheathing. This produces an incredibly strong handle, virtually unbreakable and highly resistant. It is capable of withstanding high voltages and is self extinguishing.