Features:
GOOD ELASTICITY:Made of high toughness metal material, the spring has good elasticity and excellent retractable recovery capability.Tested in thousands of compression and tensile tests. ANTI-OXIDATION AND RUST:Surface electroplating to prevent oxidation and rusting.Suitable for Bigsby electric guitar, bass parts. USEFUL:Used to tense a tremolo bridge,helps to set your tremolo arm in a fixed position.Great solution to loose tremolo arm problems. FUNCTION:Improve the problems of electric guitar's out of tune, the tremolo insensitive and so on.Made a big difference to your guitar by making the arm easier to access. GOOD REPLACEMENT:Professional guitar players can DIY with it and it can be used as replacement part for electric guitars.

Specification:
Material: Metal
Optional Color: Silver, Black
Length: 3.1cm/1.22in
Diameter: 1.8cm/0.71in
Application: Fit for Bigsby series electric guitar

Package list:
1 * Spring