The Boker Magnum with Serrated Blade is a nice carry sized folder. This version has a tactical black finish and has a 3.2" blade in 420 stainless steel under black powder coating. This is a nice design for DIY switchblade* conversion. At 7.8" inches overall, it has excellent carry size, light weight and good balance. 

The Magnum is a top choice of DIY automatic knife makers. It has fast action when converted and the finish is top quality for the price. The handles/frame are Aluminum and the hardware is stainless.

Specifications
Blade - 420 A (DP), 3.2"
OAL - 7.8" 
Handle/Frame - Aluminum (Black Powder Coat) - 4.25"
Mechanism - Button Release
Default - Manual Opening

Recommended Conversion Tools (not included)
1/2" Inch Pocket Cutter Assembly
3/64" Spade Drill

Recommended Conversion Spring (not included)
1/2" (.50)  HIGH/MAXX


* Please check your local laws before converting or carrying an automatic knife in your area. Individual knives may require pocket and/or blade modification for conversion.