New Aavid Thermalloy Low Profile Aluminum Heatsinks with Corner Ears and Snap-In Spring Loaded Mounting Posts, Manufacturer Part Number 317454, Customer Part Number NP975399.  Each bid quantity is for a Lot of Two (2) Heatsinks.  You may bid / buy any number of lots, up to the total quantity available above.

These were purchased at an electronics supplier liquidation earlier this year, and they were brand new in the original factory boxes.  We packaged them in heavy Ziplok bags for resale.

According to the calipers:

Overall length (including mounting ears):  2.590" / 65.80 mm

L x W (excluding mounting ears):  1.483" / 37.66 mm (square)

Thickness:  .178" / 4.53 mm

Silver mounting compound dimensions:  1.223" / 31.08 mm (square +/-)

Mounting post diameter (just above retaining / notched end):  .108" / 2.74 mm

Mounting post spacing:  2.321" / 58.96 mm OC (on centers)

Mounting post grip length (from underside of heatsink to step at back of notched end, spring fully compressed):  .299" / 7.59 mm