The slot pattern in the ladder sides can be combined with the slot pattern in the couplers and integral couplers to create a pattern of squares; these square patterns can also be formed irrespective of where straight ladders are cut to length to suit site installation requirements. The specially designed Vantrunk square shouldered bolt interlocks into this pattern of squares to create a slip-resistant connection. The Speedway Coupler has a profile which exactly matches the unique profile of the Speedway Ladder (& Fitting side walls) to give a high performance connection which securely holds the connected components together.
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