420 Master Lock Lockout Hasp,Tamper proof hinges Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: MLS420 Qty On Cart Features Keep equipment inoperative while repairs or adjustments are made. Features 1" diameter opening, non-sparking and good to use around robots or computer... Features Back FeaturesKeep equipment inoperative while repairs or adjustments are made. Features 1" diameter opening, non-sparking and good to use around robots or computerized machinery. Write-on, erase off labels included for worker identification.