Marine Boat Yacht Sailboat Dinghy 57mm 2 1/4 Inch Ratchet Single Swivel Shackle Becket Block Small Boat Block Master RA-0502F

Description

• Ratchet Block

Master Automatic Ratchet Block Exclusive patented design offers both full automatic and manual modes in simply one block. The new design simplifies all control switches to the one. The unique Master Automatic Ratchet Block can easily switch among two modes by single switch. The Sheave automatically changes from off mode to ratchet mode when loads increase. Sailors are available to control lines whenever they need the ratchet function. Manual switch to ratchet, off, or always-on modes by controlling button. The high strength composite sideplates are lightweight and strong to provide excellent weather-ability for maximum protection. NC machined sheaves with 8 faces give Master Automatic Ratchet Block extremely holding power to line movement. A patented Lock-up system can be easily engaged to in either or two directions, or free to swivel. Exclusive composite Ball Bearing provides sheaves with good rotation and less friction. The most advanced Master ratchet blocks are available in 40mm, 57mm, and 75mm with variable configurations. Master Automatic Ratchet allows sailors to have excellent holding power to control lines and quickly release loads. An exclusive Face to Face locker system can be easily engaged to position shacke in either of two directions or just free to swivel. A locker system also can take more loads then traditional ways without damaging the block and hassle. Patent pending in Australia, US, UK, France, Netherlands, China, Germany, and Taiwan. Specification: Brand: Master Part Number: RA-0502F Sheave (mm) 57 mm Sheave (in)2 1/4 in Length (mm)133 mm Length (in)5 6/25 in Weight (g)137 g Weight (oz)4.83oz Maximum line (mm) 10 mm Maximum line (in)3/8 in Maximum working load (kg)230kg Maximum working load (lb)506 lb Breaking load (kg)900 kg Breaking load (lb)1980 lb Do not use Master products to human suspension!

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