If you are looking for the official documentation, you can view the Bosch PST 54 PE Manual online or download it as a PDF.
500 – 3,000 strokes per minute (adjustable via a thumbwheel) Maximum Cutting Depth: Wood: 54 mm Aluminium: 15 mm Steel (unalloyed): 5 mm Mitre Cutting Angle: 0° to 45° (adjustable base plate) Weight: Approximately 1.85 kg How to Change the Blade Unlike modern Bosch "SDS" quick-change systems, the i--- Bosch Pst 54 Pe Manual
Twist the blade until the teeth face forward and it sits securely in the guide roller groove. If you are looking for the official documentation,
typically requires a long, flat-head screwdriver to secure the blade. flat-head screwdriver to secure the blade.