One for Fender Telecaster, the other for Breedlove acoustic. Both of these guitars are top 10 instruments. The Zero Glide nut improvement came through as described on Youtube demos. So much better string action (lower with out any fret buzz) Clarity in open string tone chords and pulloff plucking, faster tuning to pitch, using electronic tuner, remaining in pitch once strings stretch has settled in. I took my time to install on both guitars about 2 hours for each instrument. Have new custom Guitar that I will 99% sure I will add this improvement to soon. I see this becoming a standard upgrade to many popular manufactures. Lastly the sustain in open chords on all strings cant be described.
I bought two of these, one Gibson-style and one Fender-style for two of my favorite project guitars, an Epiphone LPX and my Jazz-O-Caster parts guitar. The Gibson was a near drop-in, needing only some trimming and shaping for a perfect fit. The Fender was slightly more challenging, as the neck on the Jazz-O-Caster never saw the inside of any Fender-approved factory! It required a 1/32" shim underneath for a proper fit, and some sanding to make room for the tang. There was a marked increase in the brightness of tone for both instruments, as well as improved intonation. This is MUCH easier than installing a traditional nut, and nearly foolproof IF you follow the instructions. Thanks, Stewart-Macdonald, for stocking such a well-engineered product.
The bone nut was easy to install. I sanded the length and depth with a table sander. The instructions are complete and easy to follow. Four zero frets of different sizes are included in the banjo kit--you try the smallest and work your way up until you have no open string buzz. Use medium viscosity cyanoacrylate (available from Stewmac) so you have time to set the nut and fret properly. I'm pleased with the results, improved tone, and hammer-ons and pull-offs are more defined.
I bought the mandolin version and fitted it to my Gibson. There's a lot of extra material to remove, but the result was great. Easier tuning (the old nut had tight slots for the A strings), better intonation. Later I used one of the extra frets in the package to fix a tenor guitar. For that, I simply filed the necessary ledges in the existing nut and widened the string slots. It would be nice if Stew-Mac would also sell the offset tang frets separately, for retrofitting to an existing nut.
ZB-11 Unslotted Replacement Nut for Guitars
Array ( [0] => Array ( [id] => 3014 [model] => ZB-11 [quickbooks_model] => Zero Glide:Unslotted:ZB11 Bone [preferred_vendor] => Dalian Mantech Guitar Co.,Ltd (Samsung) [preferred_vendor_list_id] => 80001B3F-1324671482 [base_model] => [labels] => Bone,Black Delrin +$10 [var_matrix] => 0 [visible] => 1 [is_zeroglide] => 1 [is_slotted] => 0 [brand] => zeroglide [type] => products [category] => unslotted [sub_category] => [instrument] => guitar-slide [product_url] => zb-11 [old_url] => http://www.zeroglide.com/product/zb-11-12string-unslotted/ [product_name] => ZB-11 Unslotted for Guitars [product_title] => ZB-11 Unslotted Replacement Nut for Guitars [net] => 16 [retail] => 0 [mapp] => 34.99 [cost] => 4.25 [sellable] => 1 [left_hand] => 0 [stock] => 100 [reorder_point] => 0 [qty_on_hand] => 72 [qty_on_so] => 1 [effective_qty_on_so] => 1 [qty_on_po] => 0 [qty_sold_1_months] => 1 [qty_sold_3_months] => 1 [qty_sold_6_months] => 7 [qty_sold_7_months] => 6 [qty_sold_8_months] => 12 [qty_sold_9_months] => 17 [qty_sold_10_months] => 17 [qty_sold_11_months] => 18 [qty_sold_12_months] => 9 [addons] => 3083,3084,3085,3086 [weight] => 0.10 [length] => 5 [width] => 4 [height] => 1 [product_description] =>The Zero Glide Replacement Nut System borrows the "zero fret" concept to reduce string contact in the nut by up to 93%, increasing tuning stability, playability, and open string tone. It only takes a few minutes to install with absolutely no permanent alteration to your instrument. For 12 String Guitar (Blank).
Also available in Black Delrin.
[product_length] => 50.7mm (2") [radius] => 16" [production_height] => 11.0mm (7/16") [height_end] => 8mm (5/16") [fingerboard] => 8.8mm (11/32") [thickness] => 5.9mm (15/64") [fret_size] => L, M, H, J (.035", .039", .043", .051") [string_spacing] => [string_gauges] => [special_notes] => [product_option_labels] => Material [product_option_0] => Bone [product_option_1] => [product_option_2] => [is_on_forecasting_report] => 1 [img_urls] => 1-front.jpg,2-back.jpg,3-diagram.jpg [alt_info] => zs-20,Slotted Version [alt_product_id] => 3027 [upc] => 875116002602 [always_in_stock] => 1 ) )