The Lapco Blue Billet Precision Ball Gauge is a high quality paintball sizing tool. This is one of the handiest tool you will own in paintball! Now you can quickly and easily choose the best barrel size for each batch of paintballs. This ball sizer will gauge the size and roundness of each paintball!
Quick and simple Paintball sizing gauge Measures Bore Sizes: .660, .664, .668, .672, .680, .682, .684, .687, .690, .693