The SAM BAT R2K1 is the retail version of the famous bat used by Barry Bonds to hit 762 career home runs and an incredible 73 homeruns in one season. The distinctive flared knob is the result of Sam creating a knob specifically for Barry. It is designed to feel like a baseball in your hand. The R2K1 is a superbly well balanced bat with a big barrel. All custom maple SAM BATs are crafted from professional grade hard rock maple for outstanding strength, longevity and performance.