5 Series Universal Head Blocks

5 Series Block, Double, Stainless Cheeks, 11.6oz. from SCHAEFER
Used extensively for sheet blocks on small to mid-sized keelboats and as control line blocks for larger offshore boats. Suitable as mast-base or lead blocks on small to mid-sized boats. Universal three-way head. Black anodized aluminum or stainless cheeks. Stainless straps and posts. Sheave: UV-protected Delrin. Ball Bearings: Plain bearings . Sheave Size: 2" (51mm) . Line Dia. : 7/16" max. .
$120.83 $120.83

5 Series Block, Fiddle, Aluminum Cheeks, 7.3oz. from SCHAEFER
Used extensively for sheet blocks on small to mid-sized keelboats and as control line blocks for larger offshore boats. Suitable as mast-base or lead blocks on small to mid-sized boats. Universal three-way head. Black anodized aluminum or stainless cheeks. Stainless straps and posts. Sheave: UV-protected Delrin. Ball Bearings: Plain bearings . Sheave Size: 2" (51mm) . Line Dia. : 7/16" max. .
$69.02 $69.02

5 Series Block, Single, Stainless Cheeks, 7.1oz. from SCHAEFER
Used extensively for sheet blocks on small to mid-sized keelboats and as control line blocks for larger offshore boats. Suitable as mast-base or lead blocks on small to mid-sized boats. Universal three-way head. Black anodized aluminum or stainless cheeks. Stainless straps and posts. Sheave: UV-protected Delrin. Ball Bearings: Plain bearings . Sheave Size: 2" (51mm) . Line Dia. : 7/16" max. .
$40.12 $40.12

5 Series Block, Double, Aluminum Cheeks, 8.3oz. from SCHAEFER
Used extensively for sheet blocks on small to mid-sized keelboats and as control line blocks for larger offshore boats. Suitable as mast-base or lead blocks on small to mid-sized boats. Universal three-way head. Black anodized aluminum or stainless cheeks. Stainless straps and posts. Sheave: UV-protected Delrin. Ball Bearings: Plain bearings . Sheave Size: 2" (51mm) . Line Dia. : 7/16" max. .
$100.6 $90.54

5 Series Block, Single, Aluminum Cheeks, 5.0oz. from SCHAEFER
Used extensively for sheet blocks on small to mid-sized keelboats and as control line blocks for larger offshore boats. Suitable as mast-base or lead blocks on small to mid-sized boats. Universal three-way head. Black anodized aluminum or stainless cheeks. Stainless straps and posts. Sheave: UV-protected Delrin. Ball Bearings: Plain bearings . Sheave Size: 2" (51mm) . Line Dia. : 7/16" max. .
$35.62 $35.62

5 Series Ball-Bearing Block, Cheek, Aluminum, 1,500lb. SWL, 7.5oz. from SCHAEFER
Like the 5 Series blocks, but with Schaefer’s ball bearing sheave. Curved ball races allow Schaefer ball bearing blocks to take higher loads than other similarly sized blocks. Sheave: UV-protected white Delrin¨. Ball Bearings: Delrin. Sheave Size: 2" (51mm). Line Dia. : 7/16" max. . Cheek Material/Finish: Black anodized aluminum or polished stainless cheeks, stainless straps.
$57.16 $57.16

5 Series Ball-Bearing Block, Fixed Fairlead, Stainless, 1,000lb. SWL, 4.3oz. from SCHAEFER
Like the 5 Series blocks, but with Schaefer’s ball bearing sheave. Curved ball races allow Schaefer ball bearing blocks to take higher loads than other similarly sized blocks. Sheave: UV-protected white Delrin¨. Ball Bearings: Delrin. Sheave Size: 2" (51mm). Line Dia. : 7/16" max. . Cheek Material/Finish: Black anodized aluminum or polished stainless cheeks, stainless straps.
$39.99 $39.99

5 Series Ball-Bearing Block, Upright Lead, Hinged, Stainless, 1,000lb. SWL, 7.0oz. from SCHAEFER
Like the 5 Series blocks, but with Schaefer’s ball bearing sheave. Curved ball races allow Schaefer ball bearing blocks to take higher loads than other similarly sized blocks. Sheave: UV-protected white Delrin¨. Ball Bearings: Delrin. Sheave Size: 2" (51mm). Line Dia. : 7/16" max. . Cheek Material/Finish: Black anodized aluminum or polished stainless cheeks, stainless straps.
$109.01 $109.01

5 Series Ball-Bearing Block, Single, Aluminum, 1,500lb. SWL, 5.0oz. from SCHAEFER
Like the 5 Series blocks, but with Schaefer’s ball bearing sheave. Curved ball races allow Schaefer ball bearing blocks to take higher loads than other similarly sized blocks. Sheave: UV-protected white Delrin¨. Ball Bearings: Delrin. Sheave Size: 2" (51mm). Line Dia. : 7/16" max. . Cheek Material/Finish: Black anodized aluminum or polished stainless cheeks, stainless straps.
$51 $51.00

5 Series Block, Fiddle/Adjustable Cam/Becket, Stainless Cheeks, 18.0oz. from SCHAEFER
Used extensively for sheet blocks on small to mid-sized keelboats and as control line blocks for larger offshore boats. Suitable as mast-base or lead blocks on small to mid-sized boats. Universal three-way head. Black anodized aluminum or stainless cheeks. Stainless straps and posts. Sheave: UV-protected Delrin. Ball Bearings: Plain bearings . Sheave Size: 2" (51mm) . Line Dia. : 7/16" max. .
$191.12 $172.00

5 Series Block, Fiddle/Adjustable Cam/Becket, Aluminum Cheeks, 13.6oz. from SCHAEFER
Used extensively for sheet blocks on small to mid-sized keelboats and as control line blocks for larger offshore boats. Suitable as mast-base or lead blocks on small to mid-sized boats. Universal three-way head. Black anodized aluminum or stainless cheeks. Stainless straps and posts. Sheave: UV-protected Delrin. Ball Bearings: Plain bearings . Sheave Size: 2" (51mm) . Line Dia. : 7/16" max. .
$152.02 $152.02