Switchcraft® 1/4” input jack

This Switchcraft #11 1/4" mono input jack is the industry standard.  It's built to last and is suitable for most guitars. 

Specifications:

• 1-1/4"L x 3/4" at 95 grams
• Required mounting hole diameter: 3/8” (9.53mm)
• Thread: 3/8 x 32
• Colors: Gold, Nickel
• Includes mounting nut and washer.