Features 1. PREMIUM QUALITY: The seam setter is made of high quality aluminum alloy material and two hand pump vacuum suction cups with natural rubber, durable, sturdy and better tighten. 2. UNIQUE DESIGN: The seam setter is designed to pull seams together, professional countertop installation tool help us work better. 3. EASY TO USE: Two vacuum suction cups hold the surface firmly,the height adjustment for precise leveling and the tighten adjustment for seam joining,very easy to use. 4. WIDE APPLICATIONS: Perfect for any smooth non-porous surfaces that need to be adjusted,such as marble, tiles, stone, granite, mirrors, glass, plastic, etc. 5. VACUUM SUCTION CUPS & MICRO-ADJUSTABLE KNOBS: The glass suction pad features two rubberized hand-pumped vacuum pads that hold the countertop easily and securely, and a durable beam with two reliable fine-tuning adjustable knobs for precise leveling to achieve the finest seams for professional countertop installers. Specification Material: Aluminum alloy Color: Yellow, Black Size: Diameter:120 mm, 118 mm, Length: 395 mm, Height Adjust: 100 mm, Spacing adjust: 20 mm Weight: 950 g, 1100g Package Include: 1× Seam Setter