Check the listing for details. Tool Aid 94100 Retain-It Air Hammer Safety Device. Condition: New. Listed at 18.64 USD. Tool Aid 94100 Retain-It Air Hammer Safety Device Improve your air hammer safety with the Tool Aid 94100 Retain-It, a two-piece chisel retainer designed for a secure fit. This heavy-duty steel safety device ensures 100% contact with .401" Parker shank chisels and features a convenient remover lever for easy detachment. Features: Two-piece safety chisel retainer device for air hammers. The collar fits against stop on .401" Parker shank chisels for 100% contact. Heavy duty steel spring has remover lever. Parts are available separately: Collar only is Cat. No. 94200 and Spring only is Cat. No. 94300. Specifications: Item: Retainer Type: Retain-It Material: Heavy Duty Steel (Spring) Used On: Power Tool Air Hammer Parker Shank Chisel: 0.401 Inch Number of Pieces: 2 Order Part Number: SG94100 Item Description: Retain-It Air Hammer Safety Device Manufacturer: Tool Aid Country of Origin: CN Harmonization Code: 84679209 Default Selling Unit: EA