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M a g i c boxes are powerful, multipart tackles housed in a compact aluminum extrusion. The box eliminates twists and keeps the line perfectly organized. The secret to the Harken magic box is a patented ball bearing system to Drevent friction between the sheaves and between the sheaves and the axles. Magic boxes are useful for outhauls, downhauls, cunninghams, jib halyards, backstays and many other controls which require a powerful tackle with a limited range of adjustment. They are used on boats from small dinghys to large offshore racers. Hi-load versions which use Torlon balls are available to increase the working load capability.
S p i a l FFssdrrss Common SpIIIc8fIm Ball bearing sheaves Line size - 5/32" (4 mm) Low stretch line Fasteners - $10 (5 mm) Removable beckets Numeric tensioning guide AWitional lnlon111lion - See pages 10 and 11 for an explanation of special features See pages 12 and 13 for suggested uses.
135
'il"(6 mm) diameter stainlw steel S haok for 6 parl magic box. Allows quick dismnnect of halyards.
136
5s'' (6 mm) diameter stainless steel S hook for 8 oan manic box.
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