Sealey Air Needle Scaler - Pistol Type Model Number: SA50 In-use data available Pistol type scaler suitable for cleaning heavy paint and rust scale from metal surfaces. Removable needle head allows use as a standard air hammer but requires additional chisel set and spring retainer (not included). Features variable speed trigger control. Replacement needle sets available. Compare View Product Sealey Air Needle Scaler Composite Pistol Type Model Number: SA660 In-use data available Suitable for cleaning heavy paint and rust scale from metal surfaces. Composite housing protects user from chill and helps to reduce vibration. Soft grip handle and in-line handle provide added comfort and control. Replacement needle sets available. Compare View Product