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Categories›Guitars›Boston KB-140-L J-Style Bass Pot Knob (Large, Black)
Boston KB-140-L J-Style Bass Pot Knob (Large, Black)
Updated 15 May 2026
BrandBoston
CategoryGuitars
Available at1 UK stores
90-day avg£2.74
Boston

Boston KB-140-L J-Style Bass Pot Knob (Large, Black)

£2.78£4.80↓ 42% offFair Price
Cheapest at Bax · 1 store
Buy at Bax — £2.78
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PRICE HISTORY
Current
£3
Change
+8.1%
Avg
£3
Low
£2
High
£3
Volatility
3.7%
PRODUCT DESCRIPTION
  • The Boston KB-140-L is an extra-large potentiometer knob for J-style basses. This easy-to-tweak model offers optimum grip in the heat of the moment and comes finished in black.