Goldblatt line stretchers works on every size of block from 4-in to 12 In. To change sizes loosen wing nut and insert the bolt in a different hole. Has handy posts to wind your line on when not in use. Made of quality cast aluminum.

• Works on blocks from 4" to 12"
• Loosen wing nut and move bolt to change size
• Made of quality cast aluminum
• Packaged in pairs
• 1 year warranty