Standard Abrasives 42623, A/O Flap Wheel 621408, 1 in x 1 in x 1/4-20 in 120, 7100053407, 10 per case 
Insize 4911-800, ALUMINUM ALLOY LEVEL, 32″, 6928640325038
$62.99
Accuracy .006in/ft
Top and bottom working surfaces.
Shock-proof and UV-proof vials.
Die casting aluminum alloy frame.
Zero position of horizontal vial can be set.
One graduation of horizontal vial is 2% slope.
Working temperature: 5?F ~ 131?F
