MARSHALLTOWN The Premier Line 3485D 3/8-Inch Radius DuraSoft Handle with 14-Inch by 5-Inch Stainless Steel Edger Adjustable Groover Made of heavy 16-Gauge stainless steel Blade size is 14-Inch by 5-Inch Ideal for creating decorative borders in fresh concrete Designed to accept all fresno groover attachments Groover is adjustable and tightens with two thumbscrews