Eccentric Wheel Material: Made of zinc, zinc-plated surface, strong rust resistance, exquisite workmanship, sturdy and durable.(Please receive the coupon code on the product page when purchasing to get a more favorable price .) Excentric Wheel Size: The overall diameter 14.6mm, the height 11.1mm, the inner hole row 7.5mm. Stud: metal + plastic, zinc plated surface, total length is 10mm, size: M6x1. Application: The common shelf, has good fixing force, suitable for connecting panels of your panel furniture, furniture of desk, cabinet and cupboard, etc. Quantity and packaging: 50 sets of furniture connecting fittings, 50pcs 15mm eccentric wheel + 50pcs 40mm dowels Specification: Stud: Material: Plastic + Color-Zinc Plated Surface Dowel Size: M6x10 Dowel Length: 40mm/1.56 Deep Aperture depth A: 32mm/1.26 Aperture depth B: 10mm/0.4 Hole diameter: 6mm/0.24 Quantity: 50pcs Applicable wood thickness: 16mm/ 18mm Eccentric Wheel: Material: Zinc Alloy Quantity: 50pcs Eccentric wheel diameter: 14.6mm/0.57 Eccentric wheel size: 14.6 x 11.1mm/0.57 x 0.44(D*h) Eccentric Wheel Inner Hole Size: 7.5 x 11 ,1mm/0.3x 0.44(W*h) Applicable wood thickness: 16mm/18mm(0.6/0.7 ) Contents: 50 Sets of Furniture Connecting Fittings (50PCS 14.6mm Eccentric Wheel + 5pcs 40mm Studs)