Sparex source: https://us.sparex.com/worm-drive-84-112mm-10-pcs-box-142505.html Product: Worm Drive ø84-112mm 10 Pcs. Box - Sparex S.142505 SKU: S.142505 Listing note: Min 3-5/16'', Max 4-1/4'', TYPE F, Stainless Steel Band w/Steel Screw Detail enrichment pending: OEM cross references, fitment, catalog pages, and full specifications.