Schaefer Single Ball Bearing Block [506-05] Marine Plumbing & Ventilation | Ballast Pumps The Jib Rollers may be

The Jib Rollers may be placed just above or below the spreader tips

so it's perfect for kayak

PN:  7046

DVD-ROM Drive

The SP0007 Soft Pack fits all Ultra Pack and Pro Pack II systems

Schaefer Single Ball Bearing Block [506-05] Marine Plumbing & Ventilation | Ballast Pumps The Jib Rollers may beSingle Ball Bearing Block Single block with aluminum cheeks and ball bearing sheave. Delrin ball bearing sheave ensures low friction operation. Swivel head may be locked in place to avoid twist. Specifications: Sheave Diameter 2" (51mm) Thickness 15 16" (24mm) Width 2 1 8" (54mm) Length 4 13 32" (112mm) SWL 1500 lbs. (680kg) Weight 5oz. (142g) Max Line 7 16" (11mm)