Make 2 Fit P 8058 2-1/2 inch x 2 inch Combo White Nylon Professional Rolling Tool This professional combination screen rolling tool is constructed of plastic concave and convex rollers with steel ball bearings and a wooden handle. It is used to install screen mesh materials and vinyl spline into window and door screen frames. This tool can be used to install spline ranging from .115 to .165 in diameter. The convex wheel is 1/16" thick and has a 2-1/2" outside diameter. The concave wheel is 3/32" thick and measures 2" in outside diameter. Features Used on spline 0.115 in. to 0.165 in Professional grade rolling tools Heavy duty design built to last Steel ball bearing rollers with hardwood handle (color of wood may vary) Easy to use 2-1/2 in. x 1/16 in. convex roller USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.