Description: 【Versatility】High Mass Bass Bridge unique saddle design with pre cut grooves allows easy string spacing adjustment from 0.687" (17.5mm) to 0.8" (20mm), accommodating various playing styles 【Enhanced Tone】4 String Bass Bridge standard brass saddles with grooves emphasize the fundamental tone, delivering a rich and rounded bass sound; includes two extra grooves for greater height adjustment 【Compatibility】High Mass Bridge fits most standard 5 hole bass bridges and features recessed string ball holes for a sleek, modern appearance 【Complete Kit】All necessary installation hardware is included for quick and easy setup 【Durability】Constructed from quality zinc alloy, measuring 10.5 x 9.5 x 2.3 cm/ 4.13 x 3.74 x 0.91 inch, ensuring long term performance and stability Package Includes: 1 4 String Bass Bridge Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.