Record Power VersaLock 35 mm (1 3/8") Long Dovetail Jaw Insert is ideal for smaller spigots and recesses and is exceptionally versatile. The length of the jaws offers increased holding power on spigots and gives good access to the rear of workpieces when used in expansion mode. The 10 mm (25/64") central bore is designed for holding small spigots, making them the ideal jaws for turning drawer handles, finials, and other similarly sized projects. Fits quickly and securely into the VersaLock 51 mm (2") base jaw — just slide and secure.