Other factors

Weight is only half the story – you also have to take into account where it is carried. A flat, heavy lead is more likely to rest on any bottom debris than a tournament tournament- style lead which has most of its weight at the front. These are more likely to dive into the debris. A big, dumpy lead has most of its mass in a smaller area, so fish will feel its full anchoring force as it picks up the hookbait and straightens out the hooklink. If big casts are your aim, use pointed, nose- heavy leads.