Amazon.com: Walter 08B455 4-1/2x1/4x5/8-11 HP Spin-On Metal Hub High Performance Grinding Wheels Type 27S Grade A-24, 10 pack : Industrial & Scientific
Depressed Center Wheels- 1/4" Grinding, Type 27 - 6x1/4x5/8-11 a24-r-bf steel t27 dp ct whl - Power Sander Accessories - Amazon.com
C4X5.4-C-Channel 10ft length | 3D CAD Model Library | GrabCAD