10Pcs HSS Bi-Metal Hole Saw Set

10Pcs HSS Bi-Metal Hole Saw Set
*6Pcs hole saw: 3/4"(19mm), 7/8"(22mm), 1-1/8"(29mm), 1-1/2"(38mm), 1-3/4"(44mm), 2-1/4"(57mm)
*2Pcs Arbors: 3/8"(9.5mm) Hex shank arbor with HSS polit drill for 1/2"-1-3/16"(14-30mm) hole saw; 7/16"(11mm) Hex shank arbor with HSS polit drill for 1-1/4"-8-17/64"(32-210mm) hole saw
*1Pc adapter 
*1Pc hex key wrench                                                           
*Pack by blow case