The ICON Trailer Lock has a unique radial fin design that's built to protect from all angles of attack, eliminating points of weakness. It stands strong to power tools, brute force, and Mother Nature, forcing thieves to move on to an easier target. In extreme tests, the ICON Trailer Lock fended off attacks for over 90 minutes and proves to be over 100x stronger than other trailer locks. Patented Power Tool Resistant Technology• Unique patented radial fin geometry can't be penetrated by angle grinders up to 5"• Premium hardened cast steel, hardened to approximately 450 Brinell• Deters reciprocating saw, angle grinder blades, and drill bits• Anti-drilling mechanism renders drilling out disc detainer lock useless• Tough enough to withstand repeated brute force attacks from sledge hammers and pry bars• Made with double the materials of any other "heavy-duty" lock• At more than 20 lbs. of hardened steel, this lock doesn't cut any corners on securityExtreme Weather Protection Seals• Stainless steel lock body for maximum corrosion resistance• Dynamic internal sealing mechanism prevents corrosion, keeping moisture and damage free from the locking mechanism• Weatherproofing cap prevents dust and debris from compromising the lock's reliabilityPremium-Grade, High-Security Disc-Detainer Lock• The lock body is deeply embedded and completely inaccessible, further increasing its security• Custom lock body is stainless steel with a premium high-security disc-detainer core• Pick-resistant high-security lockProtective Double Coating• Coated with an eCoat and powder coat, two layers of extra protection from chips, scratches, and general wear and tear. Protected from UV and corrosion. One-Piece Design Installs in Seconds• Lock-and-go feature eliminates lockup frustrationFit• For trailers with 2" UFP Coupler Style like Dexter XR-84Package Includes• Heavy-duty trailer coupler lock• 4 high-security disc detainer keys Premium hardened cast steel deters reciprocating saw, grinder blades, and drill bits Coated with eCoat and powder coat for extra protection from chips and corrosion Lock-and-go feature eliminates lockup frustration | Altor ICON Trailer Lock, 2" Hitch Ball, UFP XR-84 Straight Tongue Actuator (Dexter)