17 Grit Selection Guide Spec (Finish) Grit A/O (Steel) Grit S/C (Non - Steel) Stock Removal Very Coarse 24 Grit Heavy Coarse 36/46 Grit     – Medium 60/80 Grit 60 Grit Fine 100/120 Grit 80 Grit Very Fine 150 Grit     – Extra Fine 120 Grit Light Wheel Wheel   Diameter Center Hole 1/2” 5/8” 3/4” 7/8” 1” 1 - 1/4” 5”, 6”, 7” 1” • • • • 8” 1” • • • 10” 1 - 1/4” • • • 12” x 1” 1 - 1/4” • • • 12” x 2” 1 - 1/4” • 12” 1 - 1/2” • • 14” 1 - 1/2” • • These size bushings shipped free of charge with your wheel order . Bench & Pedestal Wheel Arbor Bushings