For holding cylindrical tubes and shafts
PART # THREAD DIA. HT. ANGLE R4-5-MVSC M4 19mm 37mm 90º R4-10-MVSC M4 19mm 45mm 90º R20-5-VSC 1/4-20 .75" 1.45" 90º R20-10-VSC 1/4-20 .75" 1.77" 90º