PEN KIT MALL Slimline Pen Kit for Lathe Pack of 10 assorted kits This popular pen kit is used by new pen turners as well as seasoned veterans. The Pen Kit Mall Pen Kit is easy to make, economical and will make a great gift. It features a single twist mechanism and an attractive clip. The kit requires a 7mm drill bit, Slimline bushings, pen mandrel, and a wood or acrylic blank. 10 pen kits included. Blanks are sold separately. As we try to get 10 different kits in each deal there may be times when you will have a duplicate of one or two.