Very strong pine resin made exclusively for stone loading. This tacky is hand made in small batches to ensure quality by one of the greatest stone lifters in the history of strongman. Don't be the only one at your next competition not using this great tacky. Regular Elite: Recommended at temperatures greater than 75 degrees F. Cool Weather Elite: Recommend at temperatures of 55-70 degrees Hot Weather Elite: Recommended for temperatures 85 degrees F and up. Training: Great for new lifters. Easier to apply and cleanup.