" Dimensions: 50 x 47 mm (DL) Fits most electric drills, designed with a handy and practical Prefect spinning scale Strong material: whetstone and steel, strong and durable enough to give your mower a clean and sharp edge again and can serve you for a long time Easy to use: Buth hand and hand drills can be used, sharpen the blade easily and quickly. The blade balancer is designed to fit 99% of all center holes. Efficient tools: perfect for sharpening turf blade, drill blade, mower, trench bar cutter, rotary tillers, hoe, etc., make the edge more efficient Package includes: 4 pieces of blue grass blade sharpeners + 1 piece of blade balancing. Note: quite heavy so be careful when using! Quantity: 4 Tuparka 4 Packs Sharpener Mower with 1 piece of blade balancing, efficient tools for sharpening the grass blade, drill blade, mower, sickle bar cutter, roto cutters, hoe, etc., make the cutting edge more efficient. Specifications: Material: whetstone, steel, plastic. The blade balancer is made of plastic. Color: blue Size: 5 x 4.7 cm (DL) Package includes: 5 pieces of blue grass blade sharpeners + 1 piece of blade balancing. Features: Load: 250 pounds / 113 kg Size: 53 x 28 inches / 130x 70 cm Material: high density PVC and fabric Package includes: 2 x Water float hammock Features: Load: 250 pounds / 113 kg Size: 53 x 28 inches / 130x 70 cm Material: high density PVC and fabric Package includes: 2 x Water float hammock "