The drilled centering hole is located "on the side" of the ball at the top

Mounted on Polyfix screw 65mm (1111-2) or 120mm (1111)

Also has extra pockets and the bottom is made of the durable Rhinotek™ material

laser scanning

See size guide below

survipod%E2%84%A2 boltfix 3 The drilled centering hole isThe Survipod Boltfix setting out tool is another innovative tool used to provide a stable platform for a site set out engineer on any structure Steel Frame or Concrete Frame. Boltfix from Survipod Engineering is simply bolted to the steel or bolted down to the concrete. The instrument of choice (total station, Dumpy or Laser level) is then screwed onto the Stainless Steel thread on top of the Boltfix. The setting out engineer is provided with an