Dynaline 55490 Vari-Speed Pulley 3-1/4 x 1/2 C/W Set Screws
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Vari-Speed Pulley 3-1/4 x 1/2 C/W Set Screws: Variable speed die-cast aluminum pulley with 3-1/4" outer diameter and 1/2" bore, includes set screws. Designed for adjustable-speed machinery requiring smooth performance.