• For A belts pulleys from 2"" to 12"" have keyways except 3/8"" and 1/2"" bores and 3/4"" bores in pulleys less than 4"" in diameter • All pulleys are with slotted headless set screws • In Sta-Pak cartons • For 4L or 1/2"" x 11/32"" belts • A Section - Die Cast • 3/4 Bore • O.D. Inches=12 • Pitch Dia.=11.75 • # Of Spokes=6