These vise jaws are made with versatility in mind. First reversible and stackable jaws. Talongrip and Veregrip in one. One side is for Talongrip and the other is for Versagrip. Recommend MiteeBite #33050 Talon Grip clamps, #33030 stop VersaGrip #32175 (NOT included). Made out of stress relieved 1018 steel. 8″ pairs extend your 6″ vise to 8 of clamping width. Allows edge griping on 0.060. Black oxide to prevent rusting. AB Workholding side low profile stop with 6-40 screws are included. For large production setup and expanding your vice capacity. 75 shafts not included. Holds large material stock with built in stop and allows you to mill and drill thru without risers and cutting into the vise steel jaws. 2.9 lbs each. Set is for 3.