Spring Nut, Diameter: 5/16" By Superstrut A100 5/16

To qualify for a return, items must be unused, in their original condition, and in the original packaging. Return requests must be made within 30 days of purchase. All returns are subject to a 15% restocking fee, which may be adjusted at our discretion. Electrical Parts will not cover return shipping costs for any items. For orders where shipping costs were waived, the shipping cost will be deducted from your refund. Original shipping costs are non-refundable. This is just a summary; Our Full refund policy and terms and Conditions are binding: https://electricalparts.com/policies/refund-policy