Item Type: Sew Seam Allowance Ruler Material: Acrylic, Stainless Steel Product Specification: 1 Set Application: Household Use Application Scope: Most Scenarios Product Size: Approx. 14 x 6.4cm / 5.51 x 2.52in ( Manual Measurement, Slight Error May Exist ) Package List 1 x Sew Seam Allowance Ruler 1 x Magnetic Seam Guide 1Durable Material: This sew seam allowance ruler adopts premium acrylic material, and magnetic seam guide adopts stainless steel. 2High Practicality: The sew seam allowance ruler can ensure sewing positioning, and it is convenient to use strong magnetic force to prevent sewing displacement and movement. 3Wide Application: This sew seam allowance ruler set is widely used in sewing, cutting, body, waist or any curved surface measurement. 4Strong Magnetic: The strong nonslip magnet seam guide affixes the magnetic stitch guide to your machine's needle plate in seconds. 5Clear Scale: This sew seam allowance ruler features clear scale, easy to clean and not easy to break.