Pot Rack

Just purchased a new pot rack but have yet to install it. I have identified the wooden joints in the ceiling about the kitchen island but have yet to purchase any mounting hardware.
I estimate that the total weight , including the rack and the pans etc. will be approx. 60. The rack has four anchor points.
Having never done this sort of project myself, my question is, what size of hooks should I get ?. I was in ACE Hardware today purchasing something else and I asked an assistant who attempted to sell me 4 fours, each with a 150 SWL. Seems a bit excessive to me but is he right ?
I don't usual trust sales associates, especially weekend only ones.
What size/weight of hooks should I go for ?
Thanks
Ardna
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Ardna wrote:

i have 1/4 inch bolts that hold up my garage door when its in the up position and laying on the rails.... three 1/4 inch by 2 inch lag bolts that are screwed into the ceiling joist on each side of the door... thats for the back end.. the front of the rail is screwed onto the front wall with the same bolts.. so i guess the pot rack will be OK with 1/4 2 to 3 inch lag bolts..... that is not through the ceiling sheet rock
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