The First Base is a great "starter and beyond" yoyo for players looking for a friendly responsive (classic play) yoyo that can also accommodate future growth as your skills improve and you advance to modern, high performance, non-responsive yoyo play.
Pop in the included center track bearing for full unresponsive play. Tough polycarbonate plastic construction.
Weight: 63.5 grams (65 grams with unresponsive bearing)
Diameter: 57.1 mm
Width: 43.4 mm
Gap width: 4.35 mm
Response: 19mm O.D. Slim pad
Bearing: Narrow responsive bearing (Installed), .250 x .500 x .124"
Large (Size C) .250 x .500 x .187" Center Track (for unresponsive play, included in package)