The Brown & Sharpe 00530423 Rounded Jaw Caliper for Internal dimensions has a measuring range of 0-12"/300mm. Designed for specialized measuring applications. Features include IP67 level protection against dust and liquids on caliper as well as with the cable connection. Manufactured with wireless output capability built-in. Includes large LCD screen with 11mm digits, 12,000 hours of battery life with normal usage, ABS measuring mode, a "Soft Touch" feature to provide a better grip and maximum sensitivity and a stainless steel plate cover with PVD deposit ensuring an optimal protection of the housing.