EDGE CARD CONNECTOR FINGERS - .100" CTR. TO CTR. SPACING - 3888 FINGERS - THESE UNIVERSAL FINGERS RUB DOWN SEPERATELY, SO 1X PATTERNS WORK AS "DIRECT ETCH" RESIST - THE EXTRA LENGTH IS FOR CONNECTING TO A PLATING BAR - TO SHORTEN A FINGER, 1) CUT LIGHTLY WITH A KNIFE - 2) APPLY "SCOTCH" OR OTHER BRAND CELLOPHANE TAPE TO THE CUT SECTION - 3) REMOVE THE TAPE ALONG WITH THE SURPLUS - PRINTED CIRCUIT ARTWORK -DESIGNED FOR DRAFTING AND PRINTED CIRCUIT DESIGN PATTERNS - IT IS A 0.0012" THICK PLASTIC FILM THAT IS TOUGH, STRONG AND FLEXIBLE