2 Pcs SCREW MANDREL X LARGE 1/4" SCREW HEAD REINFORCED 1/8" SHANK FOREDOM DREMEL (E 1) NOVELTOOLS SCREW MANDRELS LARGE HEAD REINFORCED 1/4" SCREW WITH 1/8" SHANK SIZE A set of 2 Large Head Screw Mandrels Reinforced with 1/4" Screw to hold wheels and accessories in rotary tools. Mandrels are made of Steel and finished in Nickel an "A-1 TOP Quality" product, Made in Germany. This mandrels are used extensively in Wood Work and Carving, Mold Shops, Lapidary Applications, Hobby & Craft, and by Model Makers. Screw-type mandrel with 1/4" screw is used to for holding Un-Mounted, wheels, stones, miniature buffs and brushes, separating discs, abrasive discs and more anything with a 1/4" arbor Hole