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Web tabs with 3 grommets on port and starboard sides for trailer tie downs
Control line diameter: 6 mm
1 1/2" hook-and-loop fasteners at the mast and forestay for easy on/off
8 to 40 knots
Cut-Out Radii (Flat/Flange) R1 (in) - 1 11/16
Schaefer Double Ball Bearing Block w/ Becket Lewmar 90mm Synchro Blocks Web tabs with 3 grommetsProduct Description Schaefer Double Ball Bearing Block w Becket Double ball bearing block with aluminum cheeks and becket. Works with 506 25 or 506 45 for a 4: 1 purchase. Delrin(tm) ball bearing sheaves provide low friction and high safe working load. Swivel head may be locked in place to avoid twist. Specifications: Sheave Dia.: 2 in. (51 mm) Thickness: 1 21 32 in. (42 mm) Width: 2 1 8 in. (54 mm) Length: 6 3 16 in. (157 mm) SWL: 1500 lbs. (680 kg)