Materials: The zipper jig is made of stainless steel, which is sturdy and durable for repeated use. Includes 3-foot bulk zipper. Size: Secures zipper jig sliders from size #2.5 to #10. Use the zipper jig to attach a custom zipper pull to zipper tape. Frees your hands and helps prevent hand fatigue. Easy to use: Lower clamp securely holds the zipper jig to your work surface. Upper clamp locks the jig rod in place at any angle. NOTE: The accessories shown installed on the main body in the first image are for demonstration purposes only. The package includes 3 replaceable accessories. Material: Stainless steel. Color: Black. Package Contents: 1 x Zipper Jig (including 3 replaceable accessories), 10 x Zipper Heads, 1 x Roll of Zipper Tape. Only the items listed are included; other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.