Yeah, the allen wrench I got was too small as well. Oh well, I just used my own.
I have smaller hands, and it was still a huge improvement over the regular grip. That little bit of extra girth to hold on to makes a lot of difference. I have no idea what I'll keep in the grip, if anything, but I guess it's a nice additional feature.
"We should remember that one man is much the same as another, and that he is best who is trained in the severest school." - Thucydides
"When a strong man, fully armed, guards his own mansion, his property is safe." Luke 11:21
"Never advance cheerfully on your late opponent without reloading. You may have used your last round, and he may not be properly dead and still spiteful." Maj. Hugh Pollard