Dynabrade 51124 Collet, M8 x 1.0 Female Thread, 1/4" Capacity 
3M 69043, Scotch-Weld EPX Mixing Nozzle, Square Orange, 45 mL, 7100007806 
Insize 4701-1, ADJUSTABLE SQUARE, 6928640318351
$152.50
The straight edge can move and can be locked by the clamping screw.
Made of hardened stainless steel.
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