3M 93949, General Purpose Sanding Sponge CP040-3PK, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Fine, 7100175194, 3/pack 
Insize 6539-100, MAGNETIC SQUARE WITH V GROOVE, 4x4x4″, 6940561952650
$1,808.34
Hold flat and cylindrical workpieces for inspection and marking.
Magnetic force on top, left, right and V grooves.
Parallelism and squareness of top, bottom, left, right and back: 394_in.
Parallelism and squareness of V groove to top, bottom, left, right and back: 394_in.
