Menu Home About Us Shipping Returns Contact Us View Feedback Add to Favourites Kadee #620 20 x Centering Spring for #17,18,19,20 Magnetic Knuckle Couplings Main Description KADEE #620 - 20 x CENTERING SPRINGS FOR USE WITH #17, 18, 19 & 20 - MAGNETIC KNUCLE COUPLINGS EUROPEAN NEM 362 H0/00 GAUGE