A: Hi Ronehall, the size for nut driver or socket is 5/16". Thanks for the suggestion to add the size to the description.
A: With screwdriver best thing
A: I forget but it takes a flat head screwdriver as well. Easy to do.
A: Hi Dave, these are available in 10 pack bags, SKU 602-046. They are merchandised in the brass fittings bay within the plumbing section of The Home Depot stores.
A: Hi Don, Yes, these clamps are made in the USA.
A: If a magnet picks up the clamps then it is not Stainless Steel. I had to return my purchase of clamps.
A: Yes the screw is stainless but if I were you, avoid putting it underwater cause in time it will rust too.It will last for a little while but eventually it will rust
A: "Stainless steel finish for lasting durability." as stated in Product Overview. "Finish Family Silver Metallic," as stated in Specification Details. Likely the screw is 'stainless steel finish.' To find out specifically try contacting Home Depot Customer Service. Phone number on lower portion of any page on their website. Everbilt is one of Home Depot brands as indicated on bottom of product page. Home Depot does sell "Marine Grade 300 Series Stainless Steel" hose clamps.