Slotted spring pins light type Sizes following attachment Spring dimensions are in free state (before mounting) The material for this product can be stainless steel. Please be with a cover that is resistant to rust and wear. 1. Please send us an offer for 400,000 pcs (Indicate the deadline) Please provide feedback on whether there is a possibility of making samples of 50 pieces, so that we can approve them? (Indicate the deadline for making samples) If you can't make according to our drawing do you have this product of approximate dimensions ? If you have you can send us a catalog view with dimensions. Please indicate in the offer the possibility of partial delivery on a monthly basis.