You'll have to pick up some taper tip shafts.
These usually come in sets from 37 to 41 inches in length and have specific instructions for tip trimming, (if at all), due to the tapers and it's important to have proper 1st step dimensions, (for stepped shafts). Most taper tipped shafts can only be butt-trimmed. Non-stepped shafts, (like Rifles), may have different trimming instructions.
I used to play a set of MacGregors with taper tipped shafts and whenever I needed to fix a shaft, I had to make sure that I got the proper shaft for that particular club. And when I re-shafted the whole set, I had to order a complete "set" of shafts and trim each accordingly.
Go to Golfworks and check out their shafting advice.
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In fact, if you're really into do-it-yourself stuff, order GOLF CLUB DESIGN, FITTING, ALTERATION & REPAIR by Ralph Maltby. It's the "bible" of clubmaking and a very good reference book to have.
-JP