Streamline Collars
4.1 out of 5 Customer Rating
Model # 4770376 Mfg # SL-1000
Model # 4770376 Mfg # SL-1000
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Quality shaft anodes meet stringent Mil-Spec standards for protection against galvanic corrosion.

Sea Shield streamlined collar anodes are pressure die cast and conform to the highest Mil-Spec standards. Offered here in zinc material for use in saltwater. They install with just 2 deep-slotted stainless steel machine screws which provide maximum torque, and are extremely durable. Offered in a range of diameters to accommodate shafts from 3/4"ID up to 4"ID. For stainless steel or bronze shafts.

Key Features

  • Zinc material for saltwater
  • Pressure die cast
  • Meet highest Mil-Spec standards
  • Deep slotted stainless steel screws allow for maximum torque
  • For stainless steel or bronze shafts
  • Easy size verification inside and outside
  • Innovative O-rings keep screws from falling out

Type Shaft Size Length Outside Dim Weight Box Qty
SL-0750 3/4" 1-3/4" 1-7/8" 0.650 50
SL-0875 7/8" 1-7/8" 1-7/8" 0.825 50
SL-1000 1" 2" 2-1/4" 1.000 50
SL-1125 1-1/8" 2" 2-1/4" 0.975 50
SL-1250 1-1/4" 2" 2-3/8" 0.980 50
SL-1375 1-3/8" 2-1/2" 2-5/8" 1.650 32
SL-1500 1-1/2" 2-5/8" 2-3/4" 1.765 32
SL-1750 1-3/4" 3" 2-1/4" 2.900 18
SL-2000 2" 3" 3-1/4" 2.600 18
SL-2250 2-1/4" 3-3/4" 3-7/8" 4.650 5
SL-2500 2-1/2" 4" 4-1/2" 4.850 5
SL-2750 2-3/4" 4-1/4" 4-3/4" 8.450 4
SL-3000 3" 4-1/4" 4-3/4" 7.100 4
SL-3250 3-1/4" 4-1/4" 5-1/4" 9.100 4
SL-3500 3-1/2" 4-1/4" 4-3/4" 8.400 4
SL-4000 4" 4-1/4" 5-1/4" 9.400 4

Attachment Method Screw-On
Best Use Prop/Shaft
Compatibility Not For a Specific Engine
Dimensions 1" Inner Diameter x 2 1/4" Outer Diameter x 2" Length (25mm x 57mm x 51mm)
Material Zinc
Shape Ball
Type Replacement Anode Only
Water Type Salt Water