InstallerParts 66/110 Adjustable Impact Punch Down Tool with Hook & Extractor PUNCH DOWN TOOL cuts and terminates cable into a 66 or 110 style patch panel or keystone jack REMOVABLE BLADE of impact style tool with twist and lock sockets can be stored in the tool body for transport ADJUSTABLE IMPACT force settings (High / Low) for cable termination into a jack, block, or patch panel with 66 or 110 IDC terminals HOOK & EXTRACTOR for Cat 3, Cat 5, Cat 5e, Cat 6, and Cat 6A network or voice cable; Pair with a keystone jack punch down stand for a safe a secure installation 66 BLOCK TOOL / 110 BLOCK TOOL uses spring-action for fast, low-effort cable seating and termination with reversible cut/punch blade