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 installed this on an old Alvarez acoustic that used to belong to my Dad. The strings had started to buzz badly and the bridge height was maxed out so I knew it must be the nut. Took about an hour to cut down the new nut and shape with the Drexel tool; sided/polished the frets and installed glide nut with the tallest feet wire. Worked like a charm and no more buzzing. Even lowed the bridge down to a reasonable height as well. Great product and easy to install.
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.
My third build and first time I used the zero fret, made filing the nut slots easier. The sound is markedly clearer than the other bone nuts I've used.
This is one of those things that you ask yourself why has no one thought of this before, but it likely would have been very difficult to produce on a volume scale without CNC machines.......I put the ZB4 on a Washburn parlor guitar and was amazed at the difference in tone clarity, sustain and definition as well as tuning stability and the lowest possible action.........What more could you ask for for one single mod??.....Zero Glide makes several different sizes etc to fit just about any guitar, so be sure you get the right model for your instrument. The unslotted ZB4 requires slotting, so it does require some skill and proper files. I would recommend letting a tech install if you have no experience or tools. I do predict that some of the major instrument makers will be using this in the near future. Why did'nt I think of this. JB/Texas
$34.99
ZB-9 Unslotted Replacement Nut for Banjos, Mandolins and Ukuleles
Array ( [0] => Array ( [id] => 3012 [model] => ZB-9 [quickbooks_model] => Zero Glide:Unslotted:ZB9 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] => banjo,mandolin,ukulele [product_url] => zb-9 [old_url] => http://www.zeroglide.com/product/zb-9-banjo-mandolin-unslotted/ [product_name] => ZB-9 Unslotted for Banjos, Mandolins and Ukuleles [product_title] => ZB-9 Unslotted Replacement Nut for Banjos, Mandolins and Ukuleles [net] => 16 [retail] => 0 [mapp] => 34.99 [cost] => 4.25 [sellable] => 1 [left_hand] => 0 [stock] => 100 [reorder_point] => 0 [qty_on_hand] => -5 [qty_on_so] => 2 [effective_qty_on_so] => 2 [qty_on_po] => 500 [qty_sold_1_months] => 4 [qty_sold_3_months] => 6 [qty_sold_6_months] => 11 [qty_sold_7_months] => 27 [qty_sold_8_months] => 28 [qty_sold_9_months] => 31 [qty_sold_10_months] => 32 [qty_sold_11_months] => 32 [qty_sold_12_months] => 18 [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 Banjo / Mandolin (Blank).
Also available in Black Delrin.
[product_length] => 38.0mm (1-1/2") [radius] => FLAT [production_height] => 8.5mm (21/64") [height_end] => 8.5mm (21/64") [fingerboard] => 6.5mm (1/4") [thickness] => 4.9mm (3/16") [fret_size] => L, M, H, J (.035", .039", .043", .051") [string_spacing] => [string_gauges] => [special_notes] => Unslotted Version of ZS-8, ZS-10 [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-other.jpg,3-back.jpg,4-diagram.jpg [alt_info] => zs-19,Ukelele Slotted Version [alt_product_id] => 3026 [upc] => 875116002589 [always_in_stock] => 1 ) )