4 Inch Outside Caliper

Big Horn 17042 4 Inch Outside Caliper is made of steel with hardened fulcrum spring and points for long life. It is precision ground with threaded spool mechanism for infinite adjustment.

• Big Horn outside calipers is a useful measurement transfer tool when working with round stock or oddly shaped materials and then transferring that measurement to a ruler
• The forged steel legs on this caliper feature hardened points for precise marking of the work piece
• An adjusting screw has a self-seating washer and nut to permit quick and positive adjustment
• Hardened and tempered bow springs and fulcrum spools assure uniform tension without side play while using this outside caliper
• Steel construction with hardened fulcrum for durability
• Threaded spool mechanism for flexibility