3M 03123, Pro Grade Precision Edge Detailing Dual Angle Sanding Sponge, 24302TRIP-XFDA, 2-7/8 in x 4.5 in x 1 in, X-Fine, 7100170066 
Insize 6892-1, MAGNETIC INDUCTION V-BLOCK, 4.3×2.4×1.9″, 6928640320675
$90.54
Hold cylindrical workpieces for inspection and machining.
To be used on magnetic chucks.
Supplied in single piece.
V groove on the top for large shafts.
V groove on the bottom for small shafts.
Hardness HRB70
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