3. Spanner Bracket is ready for Jack to be installed. Slide Jack over Spanner bracket and pin in proper hole. Spanner Bracket comes with three holes to accommodate 2×4, 2×6 and 2×8 wall framing. Jack comes with two holes to accommodate shear or no shear applications.
The Occupational Safety and Health Administration (OSHA) reports that falls are the single leading cause of accidents and fatalities in the construction industry. OSHA recognizes The WHALEN-JACK as meeting all requirements as a scaffolding/fall protection carpenter's bracket.