Dentcraft 24" Wide Whale Tail - 1-1/2" TipDentcrafts GWT24 whale tail features a larger 1 tip. When working out from a braced section, or indeed within the brace itself, where purchase is compromised, these whale tails are a must. The wider head provides greater purchase for a stable push. Length: 24 60. 9cm Thickness of Shaft: . 190" 4. 826mm Width of shaft: . 375 9. 525mm Tip width: 1 1 2 38. 1mm