Pins and Balls

Pins and balls were once made simply of wood, but the former are now synthictic or plastic coated wood, while the latter are made of plastic, urethane, epoxy or a combination of these materials.

The Ball

A full size competition ball weights 7.25 kg (16lb). Its srface is entirely smooth apart from grip holes for the thumb, middle finger and ring finger.

The Pins

The pins are all of uniform height and should be 11.4 cm (4 7/10in) wide at the belly. The each weigh 1.47 - 1.64 kg ( 3lb 6oz - 3lb 10oz)