Check the listing for details. Trimark-Truck-Loxck-Keys-by code number-TH1-TH50-new-Cut by Locksmith. Condition: New. Listed at 29.99 USD. This is for Tri mark Truck locks. With code numbers TH1-TH50 TH1-TH2-TH3-TH4-TH5-TH6-TH7-TH8-TH9-TH10-TH11-TH12-TH13-TH14-TH15-TH16-TH17-TH18-TH19-TH20-TH21-TH22-TH23-TH24-TH25- TH26-TH27-TH28-TH29-TH30-TH31-TH32-TH33-TH34-TH35-TH36-TH37-TH38-TH39-TH40-TH41-TH42-TH43-TH44-TH45-TH46-TH47-TH48-TH49-TH50- Here is how it works---These locks have a code number printed on the face of the lock where the key goes in--or on the key itself. Simply click on the "buy it now" and let me know you key number. It is that easy. You can fill in the "note to seller" dialog box when you check out. Unsure? Have questions? The "best offer" option is there for dealers and those wanting multiple sets of keys. © Armor Lock, Inc 2004, 2005, 2006, 2007,2008, 2009, 2010, 2011, 2013, 2014, 2015, 2016, 2017,2018, 2019, 2020, 2021, 2022, 2023.