i want to buy one of these two balls but not sure which.can someone please tell me the difference between these two and which is better buy?ebonites website says the one has hook rating 40,big one 43.break point angle for one is 10,big one is 12.but im confused bout length,the one has a 25,big one a 22.so are they saying the one is better in lenth or does that mean it worse?what is length anyway and what does it mean?can someone explain it to me and recommend which of these i should buy??