Martin 20H150 Solid Type DF-1 Stock Timing Pulley, 3/4 to 1-5/8 in Minimum Plain/Reborable Bore, 3.129 in OD, 20 Grooves, 3.183 in Dia Pitch, 1.562 in W Face

Martin Stock Timing Pulley, Solid Type DF-1, Minimum Plain/Reborable Bore, 3/4 to 1-5/8 in Bore Dia, 3.129 in Outside Dia, 3.183 in, 20 Grooves, 1/2 in Pitch, 1.562 in Face Width, 3.415 in Flange Dia, 2-1/2 in Hub Dia, 7/8 in Hub Projection, 2-11/16 in Overall Length, For Use With: 1-1/2 in W Type H Belt, Steel