Speedball - Hard Rubber Brayer - 4 in - Pop-In Roller - Carded - This Speedball Pop-In Roller features a 4" Hard Rubber roller that is removable for easy cleaning. All 4" Pop-In rollers are interchangable with Pop-In Brayer handle. Durable plastic comfort grip handle. Excellent for rolling down prints or other graphic jobs, ideal for light carving or gluing applications. Free craft tip usage guide enclosed.