$44.99
GONSTEAD SPINOGRAPH PARALLEL RULER, PLASTIC WITH STEEL ROLLER   Transfers any baseline on an x-ray film to another location on the same film in exact parallel alignmentLeading and end edges are ruled in millimeters and centimetersFeatures two-way...
$14.99
SANFORD PEEL-OFF CHINA MARKERS BOX/12 BLACK   All-purpose lead formula works well on china, glass, metal and plasticOdorless and nontoxicAvailable in black or redBlack12 per box 
$14.99
SANFORD PEEL-OFF CHINA MARKERS BOX/12 RED   All-purpose lead formula works well on china, glass, metal and plasticOdorless and nontoxicAvailable in black or redRed12 per box 
$48.99
X-RAY CALIPER, 20" LONG   ¼" aluminum with a nylon sideMeasurements in inches and centimetersSlides smoothly, yet stays firmly in place when set20" (50 cm) long