Bill Kelliher is the respected guitarist for award-winning American metal band Mastodon, and the newest version of his LTD Signature Series BK-600 is, in a word, spectacular. Based on the single-cutaway ESP Eclipse shape, the latest BK-600 stands out with its copper-tinged Vintage Silver Sunburst finish and multi-ply binding on the body and headstock. This guitar offers traditional full body thickness and no waist cut, and is designed to provide the wide range of tones needed for Mastodon’s music while being sturdy and reliable enough for his most punishing rhythms and brutal riffs throughout long tours. Another update on the BK-600 is the set of Bill’s signature Mojotone Hellbender humbucker pickups. Designed for the duality of brutality and beauty, these nickel-covered pickups offer everything from raw and menacing tones to complex, articulate, and open cleans. Both the bridge and neck pickups may be split with push-pull controls on the volume and tone knobs. The BK-600 offers set-thru construction at 24.75” scale for unencumbered access to the highest frets, with a mahogany body, a bound three-piece mahogany neck, and a Macassar ebony fingerboard with 22 extra-jumbo frets and pearloid ESP flag inlays. Other professional features on the LTD BK-600 include LTD locking tuners and a TonePros locking bridge and tailpiece, and an ESP deluxe hardshell case is included.