WITZER CHALLENGE
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WITZER CHALLENGE 1985
THE MATING SURFACE ON SOME LAMINATED J HOOKS MAY BE UNEVEN, OR THE SWING DOWN ARMS UNEQUAL IN LENGTH, EITHER OF WHICH COULD RESULT IN UNEVEN LOAD BEARING OF THE HOOKS.
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WITZER CHALLENGE 1987
THE MATING SURFACE ON SOME LAMINATED J HOOKS MAY BE UNEVEN, OR THE SWING DOWN ARMS UNEQUAL IN LENGTH, EITHER OF WHICH COULD RESULT IN UNEVEN LOAD BEARING OF THE HOOKS.
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WITZER CHALLENGE 1986
THE MATING SURFACE ON SOME LAMINATED J HOOKS MAY BE UNEVEN, OR THE SWING DOWN ARMS UNEQUAL IN LENGTH, EITHER OF WHICH COULD RESULT IN UNEVEN LOAD BEARING OF THE HOOKS.
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WITZER CHALLENGE 1989
THE MATING SURFACE ON SOME LAMINATED J HOOKS MAY BE UNEVEN, OR THE SWING DOWN ARMS UNEQUAL IN LENGTH, EITHER OF WHICH COULD RESULT IN UNEVEN LOAD BEARING OF THE HOOKS.
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WITZER CHALLENGE 1988
THE MATING SURFACE ON SOME LAMINATED J HOOKS MAY BE UNEVEN, OR THE SWING DOWN ARMS UNEQUAL IN LENGTH, EITHER OF WHICH COULD RESULT IN UNEVEN LOAD BEARING OF THE HOOKS.
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WITZER CHALLENGE 1990
THE MATING SURFACE ON SOME LAMINATED J HOOKS MAY BE UNEVEN, OR THE SWING DOWN ARMS UNEQUAL IN LENGTH, EITHER OF WHICH COULD RESULT IN UNEVEN LOAD BEARING OF THE HOOKS.