To quickly center work pieces or fixtures on your mill

• Length: 6 7/8"/175 mm
• Shank dia.:
3/8" x 7/8" long
10 x 20 mm long
• Feeler dia.: 1/8"/3 mm
• Measuring range: 0.25" of axis
• Dial reading: 0 - 50
• Graduation: 0.0005"
• Includes 6 Feelers:
4", 8", 12" Straight
4", 8", 12" Curved
• Capacity:
5/32" -4 1/4" internal
0 - 4 1/4" external
• Locating Accuracy is 0.0005" of center
• Operates at any angle from horizontal to vertical without any change, and from internal to external by simply changing the feeler
• Supplied in a fitted wood case
• This set includes: Indicator body, restraining rod (prevents rotation), spring-loaded center point feeler, three straight feelers (for IDs), three curved feelers (for ODs)

Specifications