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tractor supplies and farm and fleets are usually the best place to find in stock and they sell 'em cheap! one note.....make sure to put a loop on the handle as i have tossed a couple thru thin ice and away they went!!! and blowing thru on one whack i wasnt going back for it!
Your local tackle shop, Gander Mtn, Cabelas, Bass Pro should have them. I have a one piece spud that works well. I've seen some newer ones that can be broken down into 2 pcs which is nice for stowing it away. Also some have nice foam padded handles which is easy on the hands and makes for a better grip.Just remember that every spud bar is different when you strike the ice with it. With my spud if I poke thru in 1 hit.... I stop and don't go any farther...it's only about 1.5 inches at best. If I go thru in 2 hits I proceed cautiously. If it is more than 2 hits I'm good. I try to hit the ice the same everytime and I also pay attention to what the ice looks like....not all ice is good. The spud is a great tool on the ice....everyone should have one handy.