Cool!Never knew such a thing existed.Cool!
I know, I was just going to comment how this site makes me need tools I never knew existed.
...
I'm dying to get my hands on the new S-K locking extensions and check the quality out as I really want a set for my home box.
http://www.skhandtool.com/products/sockets-ratchets/product.aspx?ID=4846&view=view
HF has aluminum locks on theirs...![]()
What is the part nos. for the HF sets 1/4,3/8,and 1/2 sets if you have them thanks.

I do know the part # for the HF 3/8" set. Just bought the set for a buddy for Xmas.
HF Pittsburgh Pro # 67976
Gets you 3", 6", 10", and 18".
I never would have dreamed I'd like these as much as I do! I didn't know about locking extensions until I ran into all you freaks, and now that I've got them, regular extensions irk me. Can't believe I spent 25+ years with regular extensions. (Esp. retrieving spark plug sockets again... and again...)
Also, the knurling is a nice feature, too.
The HF ones have metal barrel collars. Kobalt's looked cheap and plasticky and the same with Sears.
$19.99, got mine recently for $17.99 during the recent sale.
Made in Taiwan, or as I call it, "the good China."
I believe this is the 3/8" set I bought from HF. I got it primarily to change spark plugs, I really only needed the 6" one. It worked fine (locked) for the sparkplug socket but I notice on some other sockets it doesn't lock tight.![]()
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VIM is ok in my book. I bought some direct from VIM, some from Tooltopia, I think they're $15 for a pair in 3/8.
I do know the part # for the HF 3/8" set. Just bought the set for a buddy for Xmas.
HF Pittsburgh Pro # 67976
Gets you 3", 6", 10", and 18".
I never would have dreamed I'd like these as much as I do! I didn't know about locking extensions until I ran into all you freaks, and now that I've got them, regular extensions irk me. Can't believe I spent 25+ years with regular extensions. (Esp. retrieving spark plug sockets again... and again...)
Also, the knurling is a nice feature, too.
The HF ones have metal barrel collars. Kobalt's looked cheap and plasticky and the same with Sears.
$19.99, got mine recently for $17.99 during the recent sale.
Made in Taiwan, or as I call it, "the good China."

Hey thanks a lot entered your part no. it took me too the 1/2 lockable ones too. Still on sale got myself a set of each they must not have them for 1/4 did not see them thanks again.![]()
Stahlwille
Does anyone know if the button on the Stahlwille extensions are metal?
Does anyone know if the button on the Stahlwille extensions are metal?
yes they are metal
Thank you for the help!
To contribute some myself: i have a few of the Blue-Point locking extensions linked to earlier:
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and they work very well. I don't think you could ever remove the socket without pulling the collar.