Specifications: With the magnetic characteristic, it is great for recovering keys down a drain or overboard a boat. The product can be used to salvage things in the sea and river. There are various models are available to meet different needs. Made of high quality materials, the product is very durable, wear-resistant and has long service life. Item Name: Salvage Magnet Material: Q235 Low Carbon Steel, Magnet Boron, 304 Stainless Steel Product Specifications: 20mm, 25mm, 32mm, 36mm, 42mm, 48mm, 60mm, 75mm, 80mm, 90mm Product Pull-off Force: 9kg, 19kg, 32kg, 41kg, 61kg, 75kg, 115kg, 180kg, 250kg, 340kg Features: Durable, Magnetic, Wear-resistant Size Chart: 20mm Type: 2cm x 2cm x 3cm/0.79" x 0.79" x 1.18" (Approx.) 25mm Type: 2.5cm x 2.5cm x 3.3cm/0.98" x 0.98" x 1.30" (Approx.) 32mm Type: 3.2cm x 3.2cm x 3.3cm/1.26" x 1.26" x 1.30" (Approx.) 36mm Type: 3.6cm x 3.6cm x 3.9cm/1.42" x 1.42" x 1.54" (Approx.) 42mm Type: 4.2cm x 4.2cm x 4cm/1.65" x 1.65" x 1.57" (Approx.) 48mm Type: 4.8cm x 4.8cm x 5cm/1.89" x 1.89" x 1.97" (Approx.) 60mm Type: 6cm x 6cm x 5.4cm/2.36" x 2.36" x 2.13" (Approx.) 75mm Type: 7.5cm x 7.5cm x 6.6cm/2.95" x 2.95" x 2.60" (Approx.) 80mm Type: 8cm x 8cm x 6.6cm/3.15" x 3.15" x 2.60" (Approx.) 90mm Type: 9cm x 9cm x 6.6cm/3.54" x 3.54" x 2.60" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Salvage Magnet (Others Not Included)