Metric Standard String Height Adjustment Grub Screws, Stainless Steel, M3-6mm, 12 Pieces, Set Screws, Socket Set Screws You might find the screws protruding from the bridge bothersome when doing bridge muting. Guitars generally use 8mm to 10mm screws, so replacing them with these can solve the problem. Also, with standard products, rust can cause them to seize up and become unadjustable, but these are made of stainless steel, so you don't have to worry about rust. Furthermore, standard products often use a cup point, but these use a cone point, allowing for more precise octave pitch adjustment. For those who pay attention to detail, what do you think?