20 mm series

Lead block swivel base series 20mm Ronstan

The incredible Series 20 Orbit Block ™ is capable of charging loads up to 250 kg (550 lb), while it weighs only 9 grams. It is so light weight that must be carried out

The pulleys acetal molded with precision ball bearings on stainless steel or Torlon® offer high performance and low friction. Can be fitted with a shackle in either of two planes to allow correct alignment of the block.

Single block of Ronstan series 20mm of the pulley.

Block with a spring series 20mm Ronstan

Block double Ronstan series 20mm

Control block double with becket series 20mm. Mainly used on dinghies such as the Laser for the running rigging as the boom vang.

Single block with hook series, 20mm, ideal for the base of the Laser.