3/4" Notch Rigging Spring Block (56130) - Heavy Duty Lifting & Rigging Equipment for Stage, Theater, and Industrial Use

THESE ARE THE MUST HAVE RIGGING AND IMPACT BLOCKS FOR TREE CARE. THE NOTCH RIGGING BLOCKS RANGE IN SIZE TO ACCEPT RIGGING LINES FROM 1/2" TO 3/4". FEATURES ROUNDED EDGES MAKING IT VERY ROPE FRIENDLY. A SPRING ACTION LOCK MAKES FOR A SECURE CONNECTION BETWEEN THE SIDE PLATES. WIDE CONCAVE ALUMINUM UPPER SHEAVE WITH FLARED SIDE-PLATES REDUCE TWISTING IN COMPLEX RIGGING SCENARIOS. LOW PROFILE, SECURE, EASY TO-OPEN CAPTIVE SCREW PIN LOCK. HIGH WALL, FULL DIAMETER AND IMPROVED ANCHOR SLING PROTECTION. HOT FORGED ALUMINUM SIDE PLATES WITH ROPE FRIENDLY ROUNDED CHEEKS. PRECISION CNC MACHINED ALUMINUM SHEAVES WITH WIDE BEND RADII. STAINLESS STEEL AXLE. Notch 3/4" Rigging Spring Block Notch 5/8" Rigging Spring Block Notch 1/2" Rigging Spring Block Customer Reviews 4.9 out of 5 stars 10 — 4.6 out of 5 stars 4 Working Load Limit 6.744 lbs. (30 kN) 5,620 lbs. (25 kN) 4,496 lbs. (20 kN) MBS 33,720 lbs. (150kN) 28,100 lbs. (125kN) 22,480 lbs. (100kN) Maximum Working Line Diameter 3/4 in. (19mm) 5/8 in. (16mm) 1/2 in. (13mm) Maximum Sling Diameter 1 1/8in. (29mm) 1 in. (25mm) 5/8 in. (16mm) Upper Sheave Diameter 1.95 in. (50mm) 1.95 in. (50mm) .75 in. (19mm) Lower Sheave Diameter 2.9 in. (74mm) 2.4 in. (61mm) 1.5 in. (38mm) Height 7.5 in. (191mm) 6.2 in. (158mm) 4.7 in. (118mm) Width 4 in. (102mm) 3.4 in. (87mm) 2.7 in. (68mm) Weight 3.6 lbs. (1.6 kg) 3.1 lbs. (1.4 kg) 1 lb. (.45kg) Axle Material Stainless Steel Stainless Steel Stainless Steel