Heavy Duty Cast Iron Pulley. Will accept 1/2" or 5/8"

Inside Diameter	Outside Diameter	Spline
³⁄₄” (19mm)	OD: 5″ (127mm)	Keyway: ³⁄₁₆” (4.76mm)

Inside Diameter	Outside Diameter	Spline
³⁄₄" (19mm)	OD: 5" (127mm)	Keyway: ³⁄₁₆" (4.76mm)

Inside Diameter	Outside Diameter	Spline
1″ (25.4mm)	OD: 5″ (127mm)	Keyway: ¹⁄₄” (6.35mm)

Inside Diameter	Outside Diameter	Spline
1" (25.4mm)	OD: 5" (127mm)	Keyway: ¹⁄₄" (6.35mm)

Great to have you back !