3M 7000133309 Insulated Block Fork, 12 to 10 AWG Conductor, 1.03 in L, Butted Seam Barrel, ETP/Electrolytic Copper/Nylon, Yellow

3M, 7000133309, Block Fork, Insulated, 12 to 10 AWG Conductor, #10 Stud, 1.03 in Length, Butted Seam Barrel, 0.135 in ID Barrel, Fork Tongue, 600 to 1000 VAC, -40 to 221 deg F, ETP/Electrolytic Copper/Nylon, Tin Plated, Yellow, 0.32 in W x 0.04 in THK Dimensions

Block forks have the same strength as the standard fork, but are designed to use in a terminal block because their sides lie flat against the barrier portion of the terminal block.