The North American industry seems to have 'standardized' pallet jacks in several ways: Width of each of two Forks: 7" (17.78 cm) Fork Width, i.e. The dimension between the outer edges of the forks: Available as 20¼" (51.4 cm) and 27" (68.6 cm) Fork Length: Available as 36" (91.4 cm), 42" (106.7 cm), 48" (122 cm)