Cutting Tool Accessories For Use with End Mills, Cutting Tools, Engraving Tool, Workholding and more. Extended Reach Toolholder Use to reach into deep cavities or pockets. 6.00″ overall length. Holds 1/8” (0.125”) diameter tools. 0.375” (3/8”) Overall Diameter. Double Sided Workholding Tape One side has strong permanent adhesive. Other side is coated with a removeable adhesive. 1″ x 36″ roll.