DIY Robot Hand Mechanical Arm Robotic Claw Set Suitable for SG90 UNO

It is the most popular desktop mechanical arm nowadays. With the DIY kit, it not only takes you into the world of the maker, but also cultivates design skills. It is suitable for everyone from students to society. Features: 4 degree of freedom robot arm with more untrammeled and flexible experience. All movement joints are made of fine quality bearings with high precision. Full 4 axis moving to do extra extension and support for 180 degree robot servo. Need DIY assembly to improve hands on ability and brain skills. Specifications: Main material: acrylic ABS metal Color: black Type: acrylic screw pack, acrylic screw pack servos, acrylic screw pack servos motherboard (optional) Item weight: Acrylic screw pack: 190g 6.7ounce Acrylic screw pack servos: 245g 8.6ounce Acrylic screw pack servos motherboard: 255g 9.0ounce Package size: 200 130 30mm 7.9 5.1 1.2in Package weight: Acrylic screw pack: 201g 7.1ounce Acrylic screw pack servos: 254g 9.0ounce Acrylic screw pack servos motherboard: 265g 9.3ounce Package List: 1 Screw Pack 1 Set of Assembled Accessories