2-Pack 12"/300mm F Clamps - Medium Duty Heat Treated Steel Bar Clamp with Ergonomic Grip Handle and Protective Pads
It's made of steel bar, full sizes,different rail sizes meet different working conditions.about this itemOVERBUILT STEEL RAIL - 5/8" x 1/4" cross-section, 12"/300mm maximum opening, 3.15"/80mm throat depthERGonOMIC HANDLE - Provides comfort and ease to tighten the clampINDUSTRIAL GRADE - Designed for medium to heavy duty clampingPROTECTIVE PADS - Prevents clamping surfaces from damageOur Advantage:
A.High quality products
B.Competitive prices
C.Professional service