1-1/4" - 1-1/2" Standard Chain Knocker for 1/4" Chain Snake Cable Line Trimmers 10" wall thickness by simply

10" wall thickness by simply ratcheting

15-1/4" L x 3" W x 2-1/4" H

3M-engineered ceramic aluminum oxide blend abrasive is fast-cutting and efficient

A single clamp screw provides for easy clamping and removal of tubing

engineered ceramic grain and shape

1-1/4" - 1-1/2" Standard Chain Knocker for 1/4" Chain Snake Cable Line Trimmers 10" wall thickness by simplyDelivers a wall to wall clean that can tackle grease and soft blockages The standard chain knockers are best used in PVC or fragile pipes These steel chain knockers feature durable construction to tackle tough clogs in 1 1 2 lines and stainless steel set screws for corrosion resistance Ability to navigate tees and bends Specifications Size 1 1 4" 1 1 2" Length 0. 75" Height 0. 75" Width 4" Weight 0. 15 lbs. Material Carbon Steel Country Of Origin China