EBay  Rose Red One heavy load die compression spring - Top Quality - please see our feedbacks for these spring. Beware of cheap alternatives. We have supplied quality spring for over 10 years now, sold thousands and are trusted by many returning customers. Please select the size, colour and quantity you need. Need other standard or longer die springs? Please click here to see our other eBay listing ISO European standard (please ignore the photo as a reference to spring size/colour): Light load - Green Medium load - Blue Heavy load - Red Extra Heavy load - Yellow Please note die spring size may slightly vary. These springs are still within its standard specification. Green: Recommended working deflection: long life 30%, medium 35%, max 40%. Blue: Recommended working deflection: long life 25%, medium 30%, max 33.5%. Red: Recommended working deflection: long life 20%, medium 25%, max 30%. Yellow: Recommended working deflection: long life 15%, medium 20%, max 25%. Most orders purchased before 2 pm should be posted the same day. Springs in 4+ mm diameter are more expensive to post as they go out as large letters hence the price is a bit more. If you buy more than 1 there is a discount that automatically applied just add springs to the basket. The standard postage is Royal Mail 2nd class.  By purchasing this item you understand that you have a choice of postage methods and can opt-in for faster of tracked delivery with a signature.  In all cases for lost items, the Royal Mail guidelines have to be followed and every lost item case will be submitted to the Royal Mail for an investigation. We always get proof of posting from the post office even for standard 1st and 2nd class post. We do everything we can to meet the delivery time specified, however, occasionally delivery times may be affected by factors beyond our control and cannot be guaranteed. By making a purchase from us you understand and accept the above. Thanks  for looking!