BQLZR Prewired Neck & Bridge Humbucker Pickups Set w/ Bass Bridg for 4-string Bass

Features:  
1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information; 
2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed. 
3.Pre-Wired Pickup Kits: Easy to install and with tones to suit a variety of musical styles. 
4.Pre-Wired Pickup Kits:Includes 4 screws, 4 springs, 2 potentiometer nuts, 2 washers, 1 socket nut and 1 washer. 
5.The bass bridge is made of newly designed zinc alloy material, suitable for replacing old or broken guitar bridges. 
6.Suitable for 4-string electric guitar bass. 
 
Specifications: 
Material:Ceramic Magnet & ABS & Zinc Alloy & Iron 
Color:Black & Silver 
Brand name: BQLZR 
Size: 
Pickup:70.5x28x14mm/2.78x1.10x0.55"(LxWxH) 
Pickup line length: 480mm/18.90" 
4-string Bass Bridge:79x50x14mm/3.11x1.97x0.55"(LxWxH) 
4-string Bass Bridge bottom thickness: 3mm/0.12" 
4-string Bass Bridge upper thickness: 6mm/0.24" 
4-string Bass Bridge hole spacing: 68mm/2.68" 
4-string Bass Bridge spacing:19mm&57mm/0.75"x2.24" 
Weight:266 g