One Dozen (12) Genuine Fender USA American Series Bass Bridge Saddle Height Adjustment Allen Screws. Essential part for adjusting the height of the saddles on American Series Basses. Also used on other esteemed Fender basses (see pictorial on this page). Black plated steel allen head 6-32 X 7/16" screws. Brand New. Genuine Fender 0021093049. UPC 717669069551.