Wow, that's pricey. I did on online search of dealers when I was looking & found one for $90 here. Bought one last month. Looks like they're still in stock.
http://bradystrainoutlet.us/ep...bc3/Products/6-27840
Hadn't used them before & don't know much about them, but everything arrived in good order.
Admins: If it's not kosher of me to post a link to a retailer's page like this, please remove.