The Jasper M350 Blemish Free Pivot Plate allows the woodworker to Cut Perfect Circular Discs with a Blemish Free Finish Using all Jasper Circle Guides. Eliminates the need to drill pivot holes that will leave an unsightly finish. Attaches easily to workpiece with double sided tape. Works with all Jasper Award Winning Circle Guides including models 200s, 240s, 280s, 290s, 300s, 390s, 700s, 2000SE, 3000SE and 7000SE. Must Have Accessory for Tabletops and other Decorative Discs.