Barnwell 3" Backing pad 5/16" DA scaffold socket The extension bar end is

The extension bar end is 19mm in diameter and has two flats where your machine with lock into it and it has two screws to hold you cutter tight

The bolster has a comforable T - handle grip

This is a Barnwell Dolphin knife with a Candy Green finish

3mm making it very flexible and a perfect finishing trowel to give a smooth finishThe blades is also stainless steel so the trowel will be rust free

Barnwell 3" Backing pad 5/16" DA scaffold socket The extension bar end isThis is a Barnwell 70mm (3") DA Backing Plate with a 5 16" Thread and with hook and loop backing for use with 80mm & 4" Spot Pads. The backing pad will fit Dual Action machines such as the Meguiars G220, Kestral DAS 6 and other machines with a 5 16" thread.