SB-1 Single Block without Shackle and with Screw

 Now with Ceramic ball bearings! 

SB-1 Single Block without Shackle - Supplied with fixing screw

Body Length  - 17.5 mm   

Width  -  10.4 mm

Body Thickness  -  5.1 mm

Sheave Diameter  -  7.3 mm

Maximum Line Size  -  2 mm

Weight  -  2 grams

For attaching block to surface, comes with 2 mm x 12 mm metal thread

This drawing shows the advanced technical features of the Hales Micro precision pulley blocks for radio sailing