Features:  - Change chuck without tools.Fast saw blade installation chuck, easy to install without falling.  - Can be used as a jig saw.  - Can be matched with various types of electric drills.  - Various materials can be cut: wood cutting, steel pipe cutting, plastics cutting, etc.  - Steel s-aw-blade chuck, the s-aw-blade can be quickly replaced by rotation without disassembly.  - The clamping diameter of the electric drill connecting rod is 5mm-13mm.  - Comfortable to hold, easy to operate, better operating experience.  - Made of fine quality material, practical, easy to operate and use, wide application range, has a long service life.    Specifications:  Material:ABS+metal;  Color:Black;  Clamping Diameter of Electric Drill Connecting Rod:5-13mm / 0.2-0.5in;  Electric Drill Connecting Rod Diameter:8mm / 0.3in;  Cutting Diameter:0-120mm / 0-4.7in;  Size:9*5*14.5cm/3.5*2*5.7in;  Package Weight:300g / 10.6ounce;  Quantity:1 Set × Reciprocating Saw;     Package Included:  1× Electric Drill Converter;  1× Handle;  1× 152mm Woodworking Saw Blade;  1× 132mm Metal Saw Blade;  1×  100mm Woodworking Saw Blade.