The Tree (Multi Purpose Step Indicator Holder) For 1/4" Shanks 

• Save time and energy.
• Now you can eliminate the step of changing the collet to accommodate the indicator stem during the process of indicating.
• Consists of 15 diameters, form 1/4' to 1/8' (in 1/16" increments).
• Multi purpose step indicator holder consists of 15 diameters from 1/4'' to 1-1/8'' (in 1/16'' increments) for time saving indicating.
• #T-250 For 1/4'' Shanks.
• *Dial Indicator Not Included