AccusizeTools - 5 Pcs/Set 3/8'' Indexable Carbide Insert Turning Tool Bits, 2380-5062 3/8&#039;&#039; SQ Shank, 5 ps/set indexable turning tools set, TCMT21.51 Versatile and economical Available in 5 shank sizes and styles Available with 3 different radii Positive rake cutting and built-in chipbreaker groove Includes: One holder of each 5 style AL, AR, BL, BR, and E with 5 TCMT21.51 C-6 Inserts, 5 Torx screws, 2 Torx keys, and a wooden case. Screw Size: M2.5 x 6 Versatile and economical Positive rake cutting and built-in chip breaker groove Available in 5 shank sizes and styles Available with 3 different radii Includes one holder of each 5 style <ul class="a-unordered-list a-vertical"> AL, AR, BL, BR, and E with 5 TCMT21.51 C-6 Inserts, 5 Torx screws, 2 Torx keys, and a wooden case. Screw Size: M2.5 x 6