Law 54 of the Sport of Bowls, deals with the minimum equipment that should be available. Club equipment should be comprehensive to cover all possible situations.
The Controlling Body can determine the measuring equipment to be used.
Item of equipment and their use:
- Chocks and wedges used to support leaning bowls.
- Feeler gauges for measuring small distances up to 10mm (32 blade gauge).
- White card or reflective strips or plastic strips for use with feeler gauges and callipers.
- Callipers (various sizes x 3) for measuring small distances up to 30cm.
- Box string measure for measuring distances from 20cm to 3 metres.
- Telescopic measure for measuring distances from 20cm to 90cm.
- Long string or peg measure for measuring longer distances up to 5 metres and between objects in ditch and on green
- Long measure tape for measuring longer distances or objects on the green or in the ditch.
- Boundary scope for determining whether jack or bowls are within the rink of play.
- Liner siter for determining whether jack or bowls are within the rink of play.
- 25–30 metre tape for measuring a live jack, live bowl and rebound jack distances.
- Set square to be used in conjunction with Boundary scope and Liner siter.
- Trammels with callipers for measuring distances between 30cm and 1.15 metres.
- Mirrors for determining whether jack or bowls are within the rink of play
- Orbital 360° measure for measuring distances between 17cm and 110cm
- Laser Measure for measuring distances from 30cm to 5 m.
- Royal Measure for measuring distances 20cm to 90cm.
See page 54, Bowls Australia, Officiating Manual, April , 2025.