Female hex crank pockete for part 39-379

A home owner from Issaquah WA says:
February 19, 2024
I would like to know what the weight rating is for 39-379.
What does it come with for the crank pocket
I would need the part number for the first picture also.
What is the warranty?
Lastly are internal parts metal?
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Emily from SWISCO responded:
February 21, 2024

Thank you for reaching out to us. The 39-379 skylight operator is designed to support a sash weighing 140 pounds maximum. However, it doesn't have the "pocket" you're referring to in your first photo. It's designed to use a handle like the 39-102, 39-114L, or 39-115 which are sold separately. 

We don't offer warranties, unfortunately. However, the internal linkage is metal. I hope this helps. 
Skylight Operator, Angle Drive
Skylight Operator, Angle Drive
39-379
$81.30
Crank Handle, 11/32"
Crank Handle, 11/32"
39-114L
$4.42
T Handle, 11/32"
T Handle, 11/32"
39-102
$7.45
Crank Hand Knob, 11/32"
Crank Hand Knob, 11/32"
39-115
$17.24
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