Shepherd’s crooks - used as a primary or secondary support and may be used in conjunction with meshing and lacing where required comprises of a high tensile steel rebar cut to the required length and bent on one end resemble a hook. This mechanism provides passive support. Bonded on to the rock by grouting cement.
| Bar Size | Bar Type | Typical Yield Strength (kN) | Typical UTS (kN) |
| Y18 | Deformed | 150 | 180 |
| Y20 | Deformed | 160 | 200 |
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21 Colenbrander Road, Milton Park, Harare, Zimbabwe
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