Tacray original E01 utility knife Length: 113mm retracted (Full length of the blade opening part 150mm) Handle: 5mm thick, 28mm thick, widest (separated, four gears) Material: Titanium alloy main body, spindle, back clip, stainless steel screwdriver Blades: high-quality stainless steel blades Lock Type: Push type lock rule Standard packaging: Waterproof Box, with a spare 1 blade including a set of screws, so customers can take backup. Weight: 57.5g (including the blade) The TACRAY utility knife E01 adopts a decoupling design, and the tail section made up of the empty drum easily move. The spindle has made efforts. In the past, the spindle was screwed or disassembled and may not be locked. Replacing the blade only requires unscrew the two screws of the spindle, and the positioning system will not jump out. After the blade is received, the screw itself can be locked by tightening and will not turn on. It is very safe. CNC molding process by positive and negative foil handle. The trachea tritium is empty on both sides. The blades are customized by the manufacturer. Please be assured that sharpness is not susceptible to rust. This is also for the convenience of future customers. So a batch was made. No need to worry about purchasing a suitable blade in the future. Also, it can cooperate with the world.