Holdfasts
Workbench Holdfast, Ductile Iron (Pair) — Full Spec Rundown
Ductile cast-iron bench holdfast pair specs, 4-1/4" reach, cross-referenced across the Amazon listing and a matching retailer page.
Best Holdfasts for Workbench Holding
Holdfasts compared by reach, material, and shaft diameter, for 3/4" bench-dog-hole workholding — sourced from manufacturer specs.