The blind fasteners have an expanding pin which, when inserted through an 1/8″ hole in your job and released, exerts over 18lbs. holding pressure.
Are include in the Temporary Sheet Metal Fastener Kit:
In the Temporary Sheet Metal Fastener Kit:
– K291 1/2″ Edge Grip (pack of 2)
– K292 Pliers
Or you can buy a Full Temporary Sheet Fasteners Kit (K293) with all 3 items above included.