5 Series Ball-Bearing Blocks

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 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

Single Cheek Curved Base from SCHAEFER
Strong smooth-running blocks feature stainless or aluminum cheeks, stainless steel heads and straps, and Delrin® sheaves. Pulpit Furling Lead and Clamp-On Furling Block fit 1" tubing for mounting to stanchions. Ideal for furling line applications on most boats. Singles and Cheeks are ideal for control lines and halyards. Sheave: Delrin. Sheave Size: 1-7/16". Ball Bearings: 3. Cheek Material/Finish: Aluminum or stainless. Shackle Strap Type: Swivel or lashing eye.
$34.85 $34.85

Single Cheek Flat Base from SCHAEFER
Strong smooth-running blocks feature stainless or aluminum cheeks, stainless steel heads and straps, and Delrin® sheaves. Pulpit Furling Lead and Clamp-On Furling Block fit 1" tubing for mounting to stanchions. Ideal for furling line applications on most boats. Singles and Cheeks are ideal for control lines and halyards. Sheave: Delrin. Sheave Size: 1-7/16". Ball Bearings: 3. Cheek Material/Finish: Aluminum or stainless. Shackle Strap Type: Swivel or lashing eye.
$46.99 $46.99

Single Swivel Shackle from SCHAEFER
Strong smooth-running blocks feature stainless or aluminum cheeks, stainless steel heads and straps, and Delrin® sheaves. Pulpit Furling Lead and Clamp-On Furling Block fit 1" tubing for mounting to stanchions. Ideal for furling line applications on most boats. Singles and Cheeks are ideal for control lines and halyards. Sheave: Delrin. Sheave Size: 1-7/16". Ball Bearings: 3. Cheek Material/Finish: Aluminum or stainless. Shackle Strap Type: Swivel or lashing eye.
$49.99 $49.99

7 Series Ball-Bearing Single Block from SCHAEFER
The 7 Series ball bearing block offers a Delrin ball bearing sheave. Large sheave diameter and high working loads make 7 series blocks suitable for sheet and control blocks on medium to large offshore boats. Highly polished stainless steel, or tough, hardcoat anodized aluminum cheeks are reinforced with large, stainless V-straps and head posts. Beckets are removable . Sheave diameter: 2-3/8" (60mm) . Maximum Line Diameter: 9/16" . Ball Bearing: Delrin, contour bearing.
$77.99 $77.99

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, 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

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 with Becket, Aluminum Cheeks, 5.7oz. 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. .
$50.49 $50.49