Comparison : Item # 3535, TAPER-LOCK® Bushings- 3535 through 5050
Item # 4040, TAPER-LOCK® Bushings- 3535 through 5050
Item # 4545, TAPER-LOCK® Bushings- 3535 through 5050
Item # 5050, TAPER-LOCK® Bushings- 3535 through 5050