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Remove the two fasteners and swivel at the bottom of your 8 series blocks and re-attach to the 78-44.
Stainless Steel Spring supports block on traveler car for secure and safe usage.
Specifications:
- Length: 1-1/4” (32mm)
- Width: 1-5/32” (29mm)
- Height: 2-9/16” (65mm)
- Weight: 4 oz. (113g)