Pin Vice with Revolving Head and Reversible Collets. By ExpotoolsPin vices are a type of hand-held drill. The pen-like tools accept a range of smaller drill bits for drilling by hand. Doing so provides modellers with an unbeatable control, delicacy and precision that is not possible when using power tools.This set includes a single pin vice with revolving head and reversible collets. That means the one tool has the facility to accept any drill bit (not included) between zero and 3mm and the revolving head allows the tool to be used with extra precision by placing the head in the palm of your hand and twisting using a finger and thumb.Main features:Revoving head for extra precisionReversible collets for versatilityAccepts drill bit sizes: Zero - 3mmPatterned grip for comfort