Front Brakes

I am wanting to do new brake pads on my 94 lumina apv. All the chevy's I've ever done took a 3/8 allen to pull the caliper I don't know what this one is and I don't have the tool . any help would be great! thanks

http://www.autopart.com/tools/toolsmain/tool/T_1485.htm
This has a picture of a torx bit. Available at most parts stores.

Thanks I have found out that someone has changed out the bolts on one side with the torx bolts . The other side was 3/8 hex as it was originaly I have gone back to the correct parts 1.95 at the dealer all is good now (frustrating when you don't have the right tool)

Some loaded aftermarket calipers come with new bolts also so they were different but not unsafe. Loaded means they come with pads.