Ronstan Series 30 BB Block, Double Exit With Cover Plate Hayn Rigging Pins 984 172-12 - 1/2" 25

984 172-12 - 1/2" 25

Optimum Line Size

Its combination of stability

Chrome bronze body with 316 Stainless Steel fork and toggle

To be used when ample room is required

Ronstan Series 30 BB Block, Double Exit With Cover Plate Hayn Rigging Pins 984 172-12 - 1/2" 25Ronstan Series 30 BB Block, Double Exit With Cover Plate Precision moulded Acetal sheaves running on Acetal ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the full load range. Specifications: Max. Rope diameter (in): 5 16 Sheave diameter (in): 1 3 16 Fastener (in): 3 16 Materials: Grade 316 stainless steel housing. UV stabilised Acetal sheave.