Replacement Dean Organs pattern keyframe pressure and groove roller springs, made from spring steel. These Dean Organs pattern keyframe roller springs can be used in the manufacture of new keyframes, or to replace broken or damaged springs on a Dean organ or any other make of Mechanical fair or street organ fitted with this type / specification of coil spring.
The springs are sold in a matched set of four. (Hence price shown is per packet of four springs)
The outside diameter is approximately 13mm and the length is approximately 30mm.