while the reinforced sleeve offers greater resistance against lateral stress

POLYPROPYLENE HD EXTERNAL SHELL

What is the opening size of this holder

"Knex" hole

Its smooth

Paper Mate InkJoy Retractable Gel Pen 0.7mm Assorted Ink PP-125B-06T while the reinforced sleeve offersThe Paper Mate Retractable Gel Pen delivers smooth, consistent ink flow with a gel based formula and a fine 0. 7mm ballpoint tip. The retractable design keeps the tip protected when not in use, and the rubberized grip provides comfortable control during extended writing sessions. Comes in assorted ink colors for easy color coding on the job or in the office. Key Features Gel Based Ink Smooth, consistent flow for clean, legible writing 0. 7mm Fine Tip