The KUPO KS-291 is a set of five stainless steel 3/8"-16 wing nuts. The two side wings give crews a hand-tightening option for larger threaded accessory and rigging hardware.
Why It Matters
When hardware is adjusted often, a larger wing nut can be easier to live with than a plain nut and wrench. KS-291 keeps the 3/8"-16 size obvious, helping buyers avoid accidentally ordering the 1/4"-20 KS-290 set.
Key Features
Set of 5 supplies matching 3/8"-16 wing nuts for service kits
Stainless steel construction gives a durable replacement hardware finish
Side wings support hand tightening and loosening without tools
Larger-thread companion to KS-290 for 3/8"-16 applications
Listed as one of the components in the KS-284K assortment kit
Applications
Use it for compatible 3/8"-16 rigging, grip, plate, and accessory hardware that benefits from tool-free hand adjustment.
Compatibility
KS-291 is the 3/8"-16 version. KS-290 is the 1/4"-20 sister item.
Frequently Asked Questions
How is this different from KS-290?
KS-291 is 3/8"-16. KS-290 is the smaller 1/4"-20 version.
Can it be tightened without tools?
Yes. The side wings are designed for hand tightening and loosening.
Is it part of the screw and nut assortment kit?
Yes. KS-291 is also listed as a component in the KS-284K assortment kit.
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