- S3900 Stainless Steel Pneumatic Lockout
- Prevents pneumatic fitting from being connected to pressurized air source
- Fits virtually all male pneumatic fittings
- Stainless steel construction for corrosion resistance
- Measures 1-3/8" wide x 7-3/4" tall x 1/8" thick
- Accepts any Master Lock or American Lock Safety Padlock
- Works with lockout hasps for multiple worker lockout