Model :ME-8104 Power:AC 250V, 5A DC 115V, 0.4A Fixing Thread Diameter:4mm/0.15" Lever Arm Length :4.6cm / 1.8" Roller Dimension :~1.8 x 0.7cm / 0.7 x 0.3"(D*H) Overall Size:12.3 x 2.8 x 3.9cm/4.8" x 1.1" x 1.5"(L*W*H) Material:Plastic, Metal & Rubber