DR Strings has added to its UK product catalogue with new Drop-Down Tuning (DDT) strings for electric guitar and bass.The new, heavy gauge strings are designed to deliver accurate and clear lower pitch notes. Extensive development and testing has been conducted to ensure players using DDT nickel-plated strings can change tuning with stability and ease with little adjustment required.DDT 11-54 gauge Extra Heavy, 12-60 gauge XX Heavy and 13-65 gauge Mega Heavy electric guitar strings sets are available to buy in the UK for £9.10.The DDT string range includes stainless steel with hexagonal core bass strings that cover a number of gauges, ranging from medium to extra heavy and are available for four and five-string bass guitars - retailing at £37 and £47, respectively.DR Strings sets and single strings are available to order now from the Barnes & Mullins sales team and via its online portal - http://www.bandm.co.uk.