Additional information

Blade length (mm)


Handle length (mm)


Overall length (mm)


Blade steel

Handle material





This model TR-4.50 Custom is 9.25″ (235mm) in overall length with a 4″ (101mm) drop point blade of 154-CM steel. This blade is hand ground by Mike Irie and features compound, mirror polished grinds and satin flats. The fine edge blade is .125″ (3mm) thick. It has a 5.25″ (133mm) handle made of 6061-T6 Black aluminum with a 416 hardened stainless steel glass breaker back spacer which also forms a lanyard hole. The knife thickness is .52″ (13mm) and weighs 5.5 (156g) ounces. This is a right-hand, tip-up, recessed push button automatic folder with a secondary slide safety. This Custom TR-4.50 has a Black handel with a Mother of Pearl push button and is individually serial numbered.
Each Pro-Tech knife is a blend of the finest materials available and a commitment to craftsmanship. Pro-Tech knives are built with the most current high tech manufacturing processes that include; CNC Machining, Wire EDM, Laser Cutting, etc. The high tech components are assembled and hand fit by dedicated and caring craftsmen in their Artesia, California facility. They craft small batches of their knives so that they can take the time to individually hand fit and finish each knife to a level rarely seen in a factory knife. Their production knife models offer the best design, function, and value of any knife on the market today. Their custom auto knives are unique pieces of art. Each of the custom, limited edition knives is a showpiece of heirloom quality. No matter which of their knives you choose, we are confident that you will be very satisfied with your purchase.
Pro-Tech Knives is proud to be the first choice of Police and Military professionals around the world.

Due to the length of the blade, this knife can not be sold in Germany.




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