Firm Joint Adjustable Point:

• Manufactured from polished tool steel
• A large headed nut and screw assembly provides a firm and rigid friction joint, with no play
• The sizes listed are the effective leg length which is measured from the joint assembly
• Leg which holds the round adjustable hardened point is offset
• Model 341 has a locating spur on the straight leg

Note: Firm joint caliper capacities are generally 1/3 greater than the effective leg length.

Spring Joint:

• Manufactured from polished tool steel
• The marking leg is hardened to over 550Hv at the point
• Bow spring ensures uniform tension over working range
• Centrally mounted adjustment screw offers finer setting than firm joint type