HEAD STYLE: FLUSH FOR USE WITH SOLID OR TUBULAR RIVETS .187 DIAMETER SHANK - FITS MOST PNEUMATIC AND HAND SQUEEZERS .437 LONG SHANK DESIGNED TO ALSO WORK WITH HANSON RIVET MODEL NUMBERS: HS-22E, HS-30E, HS-60E HAND SQUEEZERS & HR-141 BENCH RIVETER FLUSH STYLE SQUEEZER DIE WITH A 1/2" BODY DIAMETER , 3/4" HEIGHT, .187 SHANK DIAMETER, .437 SHANK LENGTH