Greenlee 870 Screw Anchor Expander for Caulking Anchor Size 3816 HeavyDuty Screw Anchor Expanding Tool

3816 SCREW ANCHOR EXPANDER Designed for use with caulking anchors and allows you to quickly and securely set expansive screw anchors in masonry regardless of thickness FAST AND EASY ANCHOR SETTING Simply screw the anchor onto the expander insert it into the drilled hole strike the expander head with a hammer and unscrew the expander and delivers consistent results with minimal effort DURABLE HARDENED ALLOY STEEL CONSTRUCTION Constructed with hardened alloy steel this screw anchor expander withstands years of heavyduty and frequent use on the jobsite PRECISIONMATCHED Designed for use with caulking anchors with a screw anchor bolt size of 3816 and is compatible with anchor number 84305 REQUIRED HOLE SIZE Use with a minimum 14 diameter and 118 depth drilled hole for proper anchor expansion and secure installation