Caster,Heavy Duty,Rigid,5 In., For Use With Grainger Item Number 1FD38, 1FD39, 1FD42, 1FD43, 4AAZ9, 4ACA1, 4ACA2, 4ACA3, 4ACA6, 4ACA7, 4ACA8, 4UR43, 4VZF9, 5M738, For Use With Mfr.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.