Ryobi AG452K AG453 Angle Grinder (4 Pack) Replacement Brush and Spring # 039028001036-4pk<img src="http://ecx.images-amazon.com/images/I/51makBkpfcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/416X-vGv3RL.jpg" noproxy>