Ronstan Series 15 Single BB Stand-Up Block w/ Loop Top Wind Indicators Sheave Dia:

Sheave Dia:

Small T-Cleat & fairlead

to reduce the strain and increase the sheer enjoyment of helming

Length - 8 7/8 in

Made for boats 50 feet in length and up

Ronstan Series 15 Single BB Stand-Up Block w/ Loop Top Wind Indicators Sheave Dia:Product Description Ronstan Series 15 Single BB Stand Up Block w Loop Top Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction Single loop head blocks include an O ring to separate running line from head lashing or fixing Specifications: Sheave 5 8 in. (15mm) Max. Rope 3 16 in. (5mm) M. W. L. 260 lbs. (120 kg) B. L. 1210 lbs. (550