Mitre Zipbolt - Zipbolt connectors have a unique integrated gearing system driven by a hex drive which offers easier, stronger and faster unrivalled tensioning power. Allows the user to tension the bolt in a matter of seconds using either a hand held key, ratchet driver or a power drill, eliminating the difficult handling and time consuming problems associated with using a spanner. Now the preferred choice for those who appreciate the faster production time and cost saving that Zipbolt provides. Ideally suited for worktops, staircase assembly, furniture construction, joinery, flat pack furniture.