Description Single foot block, sheave Ø 50, SWL 600 kg Manufacturer part #:00511 Technical Description Features American Metric Length (L) 2.76 in 70 mm Width (W) 1.97 in 50 mm Height (H) 0.83 in 21 mm No. sheaves 1 1 Ø sheave (D) 1.97 in 50 mm Side bearing Delrin balls Delrin balls Weight 0.137 lbs 62 gr Ø max line 0.39 in 10 mm SWL 1322.8 lbs 600 kg Material Aluminum Aluminum Sheave material Plastic Plastic Fixing screws 2 x round head 2 x round head Ø screws 0.24 in 6 mm