Package includes: 1pcs Jointer Planer Blade Sharpener Spec: Sharpening Jig L x W x H: 12"x 1-5/8" x 1-7/16" Blade slots depth x width: 1/4” x 3/16” Hidden head screws: 10pcs Hex L-wrench: 1pcs While your Jointer Planer’s blades used a period, the blades may become to dull and cause the wood cutting surface not smooth enough, then, how to do? Buy another set new blades? No! This Jointer/Planer Blade Sharpening Jig can help to you solve this problem. This Jointer/planer Blade Sharpener is designed for sharpening the blade cutting edge of woodworking Knifes and planer. Make your planer blades recover new life, make your cutting wood surface nice and smooth again. Does it easy to use? Of cause. Take off your blades from the planer, fix 2pcs blades into the two 45degree slots by opposite direction one by one, fasten the screw to grab blades securely and at the proper angle. Make sure to keep the 2pcs blades flat and in the same level, then honing on the sandpaper from coarse to fine. What blade’s length the sharpening jig fit for? The sharpening blades length can excess the Sharpening jig length. If the blade is too long, you can also use 2 sharpening jig, put one on each end. Just choose how to proceed according to your needs. Why choose us? Our planer Knife Sharpening Jig is made of solid aluminum with gold plating, which is much durable and anti-rust, can provide extra long service time. The Smooth curve shape for easy and comfortable to hold by hand, the fashion gold color also can bring pleasure to you when you working :) Any more question please send email to us. Welcome to visit our Amazon shop: www.amazon.com/shops/EMILYPRO