For Mclane 9" Heat Treated Edger Blade with 1/2" Shaft Size Replaces Part# 2059-9 5 PACK These are NOT shaved on the edges, the blade is perfectly balanced so that it won't damage the arm on your edger. 5 X BLADES Measurements: 2" x 9" x 1/2" Hole Note* Also works with: Power Trim Edgers, King O Lawn Edgers, Tru-Cut Edgers!!!