Bench Vise Brake Line Roller [3/16", 1/4", 6mm]

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THIS IS A CRITICAL COMPONENT OF A BENCH VISE BRAKE LINE ROLLER. -GDT- ID TOLERANCE IS 0.08MM THIS SPECIFIC TOLERANCE IS DIRECTLY RELATED TO NYLON'S MAXIMUM STRENGTH OD = 1.25" -INSTALLATION INSTRUCTIONS- PRESS FIT TWO PRECISION 608ZZ BEARINGS INTO THIS COMPONENT THE BOTTOM SIDE FEATURES A CLEAR LABEL INDICATING A B YOU CAN USE EITHER AN 8MM OR 5/16" BOLT I RECOMMEND USING THE ONES THAT ARE ONLY THREADED UP TO THE LAST 11/16" TO ASSEMBLE THIS SYSTEM, SECURE TWO ROLLERS WITH ANGLE IRON ON YOUR VISE, PLACED EQUIDISTANTLY ON ONE SIDE. PLACE A SINGLE ROLLER ON THE OPPOSITE SIDE, POSITIONED AT THE MID-POINT OF THE OTHER TWO ROLLERS. AS YOU TIGHTEN YOUR VISE, INCREASE THE BEND ANGLE AND THEN PUSH THE TUBING THROUGH BY HAND TO STRAIGHTEN OR MAKE ADJUSTMENTS TO THE ANGLES. PLEASE NOTE THAT YOU WILL NEED TO GET CREATIVE WITH FABRICATING THE ANGLE IRON TO OPTIMIZE THE DISTANCE BETWEEN THE ROLLERS.