Thanks to Zeke at Park Scale Models the retracts are now beautifully laser cut and extraordinarily precise.

Dimensions for the mechanism only: Gear Up Gear down
Length: 12.5mm 9mm
Height: 7mm 10mm
Width: 7.5mm 7.5mm
Weight with 5" .032" steel strut: 0.90g (first production batch was exactly 0.89g each, pictured is the very first on I built, not a production model).

The strut will need to be bent and trimmed to your model, as such weight will be slightly less.

RCG'er milesperpound's P-51 with the V.1 micro retracts (posts 35 and 38)

NemoSkull's P-51 with V.2 retracts

I'm selling them for $5 each, and $2 shipped First Class USPS in the US, $4 international (note, if you order more than 10 the shipping may be different since it's on a weight basis). Shoot me a PM if you're interested. Also, if you have something you're willing to trade (micro plane gear, radio gear, ect) I am more than willing to consider it.

Just sent 6 more over seas. Still have parts for dozens more.

got mine this morning. impressed with the quality. will get some pictures up when i get them installed. don't think it will be any time soon though as i have another few projects on the go.