RONSTAN BLOCK has a RATCHET WITH the SELECTOR 75 mm

Back in production by popular demand, thanks to Ronstan Australia that has acquired Fredericksen®, this block has amazing reliability and fluidity in the effort, helps to decrease the effort required to pull on the sheets.

The design of the extruded hole patented, in conjunction with the groove profile of the sheave, provides a grip more powerful than conventional models - up to 20: 1 of the estate. The reduced weight, unsurpassed is obtained with the use of a pawl ratchet Torlon®, a pulley alloy and high quality hubs and bearings in black acetal. The knob switch On-Off is mounted on both sides of the blocks swivel (can be removed if you wish). The blocks of the ratchet can be disassembled for replacement of the pulley with RF62000.

APPLICATIONS

Sheets mainsheet on powerful dinghies and skiff
Systems of the mainsail of the 60 series on sport boats that use the unit swivel on the mainsheet RF7
Control line on larger boats
Spinnaker on sports boats and small keel boats.

MATERIALS

Ball bearings in acetal carbon black
Pulley, in anodized aluminium and support plate,
Pin ratchet Torlon®
Shackle forged 316 stainless steel

Diameter pulley: 75 mm.

Maximum diameter of the top: 12 mm.

Stud diameter shackle 7 mm.

Maximum working load: 420 kg.

Breaking load: 2000 kg.

Weight: 162 g.