The Lo-Pro Edge, sometimes written as Lo Pro Edge or just Lo Pro, is a double locking tremolo bridge that was introduced on Ibanez guitars in 1991. It is designed and produced for Ibanez by Gotoh. The Lo-Pro Edge is a redesign of the original Edge tremolo which gives it a lower profile (hence the name). On the original Edge the string lock screws pass under the fine-tuners, while on the Lo-Pro Edge, the string locks and fine tuners are independent of one another. This design allows the Lo-Pro pr