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M100 irregular mainspring (MA001)
The M100 irregular mainspring (MA001) is composed of steel wire featuring non-uniform windings. The guide side of the coils has been tapered, minimizing clumping and extending the spring's power retention.
$1.03
Original: $3.43
-70%M100 irregular mainspring (MA001)ā
$3.43
$1.03Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The M100 irregular mainspring (MA001) is composed of steel wire featuring non-uniform windings. The guide side of the coils has been tapered, minimizing clumping and extending the spring's power retention.
