3/4"-4.5 thread x 1" hole x 3-3/16" Min. Embed. Carbon Steel Zinc Finish Coil Thread Multi-Set® Drop-In Anchor / THREAD PROVISION: THREADED END ITEM IDENTIFICATION: MRAP COUGAR HOLE ACCOMMODATION DIAMETER: 1.000 INCHES NOMINAL INSERT TYPE FOR WHICH DESIGNED: BOLT UNIT QUANTITY: 25 PART NAME ASSIGNED BY CONTROLLING AGENCY: 0.750 INCHE COIL THREAD DROP-IN ANCHOR CL-34-3/4 SPECIAL FEATURES: PRODUCT WEIGHT IS 11.9 LBS; THE OEM IS ITWBUILDEX/REDHEAD/RAMSET MATERIAL: STEEL SURFACE TREATMENT: ZINC STYLE DESIGNATOR: 1 SINGLE EXPANSION MACHINE SCREW