Guyker Black Bone Bass Nut Pre-Slotted Flat Bottom for 4-String Bass Size:42*3.5*6 This block prevents the arm

This block prevents the arm from becoming loose during vigorous playing

1 x Bridge Cover

Zinc alloy base plate – strong and reliable

Height: 12

Suitable For: ST-style electric guitar with matching 6-point tremolo layout

Guyker Black Bone Bass Nut Pre-Slotted Flat Bottom for 4-String Bass Size:42*3.5*6 This block prevents the armKey Features: Pre slotted bone nut designed for 4 string bass replacement or upgrade projects. Made from black bone for a durable and practical replacement material. Flat bottom design for instruments that require a matching flat bottom nut slot. Available in multiple size options for different nut slot widths and depths. Pre cut string slots support easier fitting for compatible 4 string bass setups. Suitable for replacement work where the nut width,