STORE › Shader Springs Image 1 of 1 Shader Springs $5.00 Made for J-Frame and Custom models from high-quality steel feeler gauge. Made for Paco in the U.S.A. Add To Cart Added! Made for J-Frame and Custom models from high-quality steel feeler gauge. Made for Paco in the U.S.A. You Might Also Like Armature Bar with Shader Springs $15.00 Armature Bar $10.00 Cutback Liner Front Binding Post $10.00 Front Binding Post $10.00 Cutback Liner Armature Bar with Springs $15.00