Spring Loaded Alum Block on Slider for 3/4" T-Track


  • Sheave Dia. 1-7/16" (40 mm)
  • Max Line 7/16" (11 mm)
  • L 2-1/2" (64 mm)
  • W 31/32" (25 mm)
  • H 3-17/32" (90 mm)
  • Bearing Height 2-5/32" (55 mm)
  • SWL 1000 lbs. (450 kg)
  • Weight 4.0 oz. (113 g)

SKU: SC303-72

$455.90
Backorder Available

40mm Stand up spring block for 3/4" T-Track. Delrin(tm) sheave ensures smooth lead and high safe working load. Anodized Aluminum cheeks and Stainless Steel slider provide a strong, reliable block. Spring pin allows easy adjustment. 

  • Track Size 3/4" x 1/8" (19 mm x 3 mm), 
  • Boat Size Up To LOA:  20'  6m
  • Displ:  2000lbs  910kg
  • Sail Area: 225 sq ft   21m2

SKU: SC303-72

  • Sheave Dia. 1-7/16" (40 mm)
  • Max Line 7/16" (11 mm)
  • L 2-1/2" (64 mm)
  • W 31/32" (25 mm)
  • H 3-17/32" (90 mm)
  • Bearing Height 2-5/32" (55 mm)
  • SWL 1000 lbs. (450 kg)
  • Weight 4.0 oz. (113 g)
SKU SC303-72
Brand Schaefer Marine

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