Snap-on- T? 106 pc 3/8, 1/4 socket extension and ratchet set in foam. 253gss05fmb 3/8 drive set 153gss02fmb 1/4 drive foam sets all in power blue. The foam in dark titanium. This is a great set for any tool box. TMM5.5 = 5.5mm. STMM5.5 = 5.5mm. TMU8B = 1/4 Drive Swivel adapter. TA3 = 1/4″ Drive To 3/8″ Drive adapter. FU8A = 3/8 Drive Universal Swivel adapter. A2A = 3/8″ Drive to 1/2″ Drive adapter. TKF72 = 1/4 Stubby Flex-Head. THLF72 = 1/4 Soft Grip Long Flex-Head. THLL72 = 1/4 Soft Grip Extra Long Fixed-Head. FHF80A = 3/8 Soft Grip Flex-Head. FHL80 = 3/8 Soft Grip Long Fixed-Head.