Flitz WB201-50 Blue X-Large Original Buff Ball in Clamshell, 7-Inch Great all-around size that can be used on all surfaces Premium quality 7-inch buff ball head with a shaft that fits any 3/8 inch drill or air tool Power-rated for speeds up to 2500 rpm and is self-cooling Will not tear like foam buffers when hitting sharp edges Bonus 1.76oz Tube of Paste Polish included with the buff ball