Detail 01
Nickel-plated steel wire
The set is designed for a traditional warm nickel sound.

Independent shopping perspective
Markbass Groove Series 45–125 Medium Light Gauge strings are a nickel-plated steel electric-bass set with hand-wound construction on a hexagonal high-carbon core. Calibrated diameter and tension are central to the series design, intended to support its tone and feel. Their sound direction is traditional and warm rather than a generic all-purpose description. When selecting replacement strings, the key distinction here is the stated 45–125 Medium Light Gauge range.

Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
The set is designed for a traditional warm nickel sound.
Detail 02
It identifies the construction used in this Groove Series set.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
This Groove Series Medium Light Gauge set is 45–125.
The strings are hand-wound on a hexagonal high-carbon core.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.