Brand Name: General Tools
*Length: 6 in.
*Product Type: Divider Caliper
*Packaging Type: Carded
*Material: Steel
*Measures outside and inside dimensions  
*Legs made of special caliper steel with hardened measurement points
*Hardened and tempered bow springs and fulcrum spools assure uniform tension without side play
*Adjusting screw's self-seating washer and nut enable quick and positive adjustment