Ez Tapper Handle Type T Handle Handle Shape Straight Fractional Tap Capacity #10 #8 1/2 in 1/4 in 3/4 in 3/8 in 5/16 in 5/8 in 7/16 in Machine Screw Tap Capacity #10 #8 1/2 in 1/4 in 3/4 in 3/8 in 5/16 in 5/8 in 7/16 in Metric Tap Capacity #10 to #8 Pipe Taps 1/4 in to 3/4 in Overall Length 13 in Function For Holding Spiral Taps Includes #10 #8 1/2 in 1/4 in 3/4 in Tap Adapters 3/8 in 5/16 in 5/8 in 7/16 in