----Lr.Baggs,
X-Bridge,Vintage,
• Works with 2 1/8" or similar E-to-E string spacing
and six screw posts
• Threaded tremolo arm with white plastic tip

Finish:Chrome

Find
it on offical Lr.Baggs as belowing link:

http://www.lrbaggs.com/xbridge.htm#details

---Including:

One (1)
fully assembled X-Bridge
One (1) tremolo arm
Three (3) springs
Six (6)
bridge pivot screws
One (1) spring claw with mounting screws
One (1)
prewired stereo output jack with washer and nut
One (1) volume pot (5 Megohm)
with pre-soldered capacitor
One (1) hex wrench for tremolo arm and saddle
height adjustments
One (1) piece of 10" insulator sleeve
Three (3)
neoprene rubber bumper pads

---How to install it
on my guitars?

A:pls find the guide on LR.Baggs offical website for the
installing guide:

http://www.lrbaggs.com/Manuals/x-bridge_vintage_manual.pdf