Chock Panel Nuts where developed for mounting our wheel chocks in pickup beds & trailers with thin gauge metal floors. This product is a must for convenient daily use of your wheel chocks. Panel nuts are permanent after installation & the allen bolt is removable for quick on/off operation. Stainless Steel Construction. OD thread size 5/8-16: ID thread size 3/8-16: 1" Length Availability: Usually ships the next business day. 2319$15.99 Don't see what you want? .......... Need help? Or, IF THERE IS NO ORDER BUTTON AVAILABLE on the part you want to buy, please call us TOLL FREE at 1-888-6 GO FAST(1-888-646-3278) Monday - Friday 8AM - 4:30PM Pacific Time and talk to one of our experienced Sales Agents. Some parts may not be legal for sale or use in California and other states on any polution controlled motor vehicles. Check your local laws for use. Copyright © GoFastParts.com all rights reserved. No part of this site may be reproduced without prior written consent.