Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes. Use with 226. This block is perfect for kicker systems on many dinghies.  Sheave Ø (mm) 22 mm Sheave Ø (in) 7/8 in Length (mm) 102 mm Length (in) 4 in Weight (g) 57 g Weight (oz) 2 oz Shackle pin Ø (mm) 5 mm Shackle pin Ø (in) 3/16 in Maximum line Ø (mm) 6 mm Maximum line Ø (in) 1/4 in Maximum working load (kg) 159 kg Maximum working load (lb) 350 lb Breaking load (kg) 544 kg Breaking load (lb) 1200 lb