They are used for metal to metal fastening used in medium gauge metal to metal framing

Pump handle: durable metal with Tri-Lock to tightly seal pump

• Ratchet type allows for easier adjustment of tension and greater range of take-up

4" BLACK UNION

Eye Size: 1-1/4 in x 1 in oval

GRADE C LOCKNUTS, 7/8-9, NC ZN [25/BOX] They are used for metalGRADE C LOCKNUTS, 7 8 9, NC ZN [25 BOX] Insert Lock Nuts in Zinc Plated Grade C Commonly referred to as Lock Nuts, Nuts, or simply Lock Nuts Nylon insert at top of nut prevents accidental loosening from vibration Grade C Steel (Grade 8 Equivalent) designed for use with Grade 8 Bolts & Machine Screws Zinc plating for easy identification, corrosion resistance and durability