Snap-on Tools USA NEW 3/8” & 1/4” Drive Standard GEARLESS Round Head Ratchet 2-Piece Set Set Model #s • 1/4” Drive Ratchet = TZERO ( Similar to T72 ) • 3/8” Drive Ratchet = FZERO ( Similar to F80 ) New. UN-used. May have light marks from handling / storage. 2022 or newer manufacturer date codes. Like Pictured. • TZERO Overall Length ≈ 4-1/2” • FZERO Overall Length ≈ 7-1/2” • Gear Teeth = 0