• 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 • 1/2 Bore • O.D. Inches=5 • Pitch Dia.=4.75 • # Of Spokes=4