The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase.

Shifting between ratchet and light-air modes is seamless.

Specifications

• Footnote: Maximum working loads and breaking loads for blocks based on cam strengths. 
• Sheave Ø (mm): 57 mm
• Sheave Ø (in): 2 1/4 in
• Length (mm): 103 mm
• Length (in): 4 1/16 in
• Weight (g): 266 g
• Weight (oz): 9.4 oz
• Shackle pin Ø (mm): 5 mm
• Shackle pin Ø (in): 3/16 in
• Maximum line Ø (mm): 10 mm
• Maximum line Ø (in): 3/8 in
• Maximum working load (kg): 136 kg
• Maximum working load (lb): 300 lb
• Breaking load (kg): 340 kg
• Breaking load (lb): 750 lb
• Holding power: 10:1