Gowe&reg; Metal Alloy 6 DOF Robot Arm Clamp Claw & Swivel Stand Mount Kit for Arduino Metal Alloy 6 DOF Robot Arm Clamp Claw & Swivel Stand Mount Kit for Arduino Features: - Rotation angle of 180 degrees - Radius of gyration: 355mm - Height: 428cm (holder closed) - Clamp Max open is 55mm - Holder of the widest distance: 98mm - With 6 Pcs Alloy servo arm. - With Swivel Stand ( 5mm thickness Acrylic materials chassis, laser cut from Acrylic plate ) - The Kit without servos. * In this clamp claw kit, you'd better use MG996R servos for the joint bears larger force,while MG995 servos for joints bears relatively smaller force. Items included - 4 x Multi-functional servo bracket - 3x Long U-type servo bracket - 1 x L-type servo bracket - 3 x Miniature Ball Radial Bearing - 1 x Aluminium Clamp Claw - 1 x Screw and screw cap set - 1 x Aluminum Swivel base - 6 xMetal Serovo Arm plate - 1 x Acrylic chassis 1 (Not assembled, just a kit) You can download the instructions via http://yunpan.cn/cAUxRhjyNCDsu ,you just need to insert the password: a2fd