Check the listing for details. Everhard Roll-N-Chek Silicone Seam Roller with Seam Tester. Condition: New. Listed at 42.32 USD. The Everhard Roll-N-Chek Silicone Seam Roller comes equipped with a seam tester to quickly and easily check seams after rolling them out. This roller increased quality and efficiency of welded seam work. It will stay balanced in your hand, allowing you to roll out the seam and immediately test it. The Roll-N-Check silicone seam roller comes with a 5″ cushion-grip handle and an extended offset fork that gives a better view of the contact point. FeaturesVersatile seaming tool performs many roofing tasksImmediately tested newly rolled seam to save time and punch listHeat resistantSingle fork rollerFormed offset helps guide finger control for increased precision on small seamsSeam tester is also perfect for for tamping seams and detail workMade in the USA SpecificationsDiameter: 1-5/16 in.Width: 1-3/4 in.Weight: 6 oz.