Soft black polishing pad with protective collar that ensures the backing plate fits centrally onto the foam pad meaning its 100% balanced. Use this soft high grade foam pad with a protective collar in conjunction with any wax or polish to create a high gloss and deep shine on any painted surface. The FMT5007 115mm backing plate will fit inside the collar and then attach to any electrical polisher with an M14 thread.The collar performs 2 important functions, it will prevent the backing plate getting fitted to the pad off centre and causing the tool and pad to vibrate badly and will prevent the backing plate from digging into the paintwork if the pad is tilted at an angle. Size 150 x 30mm. Collar size 20mm. Internal diameter inside the collar 115mm.