Riveting Set Dual-hand Premium Tool Automatic Riveting Manual Nut Easy Tool Set Tools & Home Improvement Sanding Tools for Jewelry3. Close the handle, Nut the nut to the right position until the nut is secure.Working : 7mmLength: 330mm (13")Model:BT-605Capacity:M3 M4 M5 M6 M8 Max Multiple Of Arm Force 25Description:60×6 × Mandrels4. Withdrawn Nut tool by rotating the knob in a counterclockwise direction, complete the Nut.1 × Multifunctional Nut Loading Structure1 × Ram tool2. Insert the top into the hole for Nut.