Park Tool TM-1 - Spoke Tension Meter

Park Tool TM-1 - Spoke Tension Meter. The Park Tool TM-1 - Spoke Tension Meter is a tight and uniform spoke tension is the key to a strong and long lasting wheel, and this innovative design takes the guess work out of achieving that perfect spoke tension. Fits almost any size, shape or material spoke, gives you a measure of the relative and absolute spoke tensions within a wheel with a clear and easy to read gauge - a must for any serious wheel builder.