1Such portable reciprocating saw kit changed universal electric drill into a reciprocating saw. 2Equipped with ergonomic handle, such electric drill tool can be very convenient and safer for carrying. 3Fit for wood and metal cutting, reciprocating saw adapter quality is guaranteed, you can use it with confidence. 4The product needs to have a speed of about 2800rpm for normal use. If you need to use it outdoors, you can consider using it with a rechargeable electric wrench (rechargeable electric wrench). The general rechargeable drill speed is only 5001000 rpm, and the speed is too low, nothing sawing effect. 5Built to strict quality control standards, electric drill sawblade adapter keeps high durability and easy connection. Item Type: Reciprocating saw adapter Material: Plastic + Iron Reciprocating Stroke: 1.5cm Applicable Electric Drill Requirements: 350W or more, rotation speed is about 2800 rpm with 10mm holding capacity. Metal Saw-Blade: Total Length: Approx. 100mm / 3.9in Thickness: Approx. 0.9mm / 0.04in Woodworking Saw-Blade: Total Length: Approx. 150mm / 5.9in Thickness: Approx. 1.25mm / 0.05in Woodworking Saw-Blade: Total Length: Approx. 240mm / 9.4in Thickness: Approx. 1.5mm / 0.1in 1 x Adapter3 x Saw-Blade1 x Hex Rod1 x English User Manual