description knockout punches and die spacer exact punches and dies provide innovative features that bring value for the contractor. the heavy duty accessories can punch holes in both mild and stainless steel material. laser engraved cross hairs on the dies deliver the clearest alignment with pre-drawn cross hairs. both the tooth geometry of the punches, and slug removal ports on the dies, provide optimal slug removal. large size id markings permit easy punch and die selection. exact punches and dies do not require spacer’s notches on the punches, which allows for a better grip during punch threading and de-threading. california proposition 65 warning. features rated for both mild and stainless steel quick connect alignment system allows for the easiest set-up and speeds up repetitive punching designed for optimal set-up and slug removal speed gripping surface for faster threading specifications acme tools brand name milwaukee acme tools part number 49-16-2685 assembled weight (lbs) 0.29 california proposition 65 warning required no color / finish black country of origin china globaltradeitemnumber (gtin) 00045242337965 internal supplier part # 49162685 internet product code (ipc) eda0a981bdd kit yes kit contents knockout spacer knockout size multiple sizes knockout type hydraulic manufacturer warranty none material steel package contents knockout spacer package depth 4.85 package height 0.6 package weight 0.29 package weight (lbs) 2.2 ul listed yes upc 045242337965