Milwaukee 48 22 6539 Retaining Ring Plier Set, Convertible Internal External, For 3 8 in to 1 3 4 in Bore Dia, Manual 34UL60 000 psi Concrete) 800 lb 000 psi Concrete) 800 lb Type Masonry ICC Approved for Un Cracked Concrete Yes Material Grade Low Carbon Steel ICC Approved for Cracked Concrete No Seismic Approved No Edge Distance 1 1 4 in Removable Removable Series Tapcon Screw Anchor Type Concrete Screw Anchor Maximum Material Thickness 1 4 in Maximum Ultimate Tension Strength 950 lb Manufacturer Location Made in USA Minimum Ultimate Shear Strength 900 lb Industry Standards ICC ESR 1671 Yellow Black Double Dipped Slip Resistant Grip Internal External Plier Types Retaining Ring Pliers Number of Pliers 9 Container Type Rack Jaw Opening Type Manual Offset Head Yes Compatible Ring Design Internal & External Offset Angle (Degrees) 18