Irwin 17 C-Clamp, 500 lb Clamping, 2-1/8 in Max Opening Size, 1-1/2 in D Throat tools--07-20-26 tin and silver alloy provides

tin and silver alloy provides low melt point

Covers 250 to 500 sq-ft per 4

Flame Type: Adjustable

this product is made for use on wet or dry surfaces

Irwin 17 C-Clamp, 500 lb Clamping, 2-1/8 in Max Opening Size, 1-1/2 in D Throat tools--07-20-26 tin and silver alloy providesLocking mechanism guarantees no slippage. Jaws open wide for versatility. Wide jaws offer up to 25% extra capacity, supporting larger nuts and bolts Turn screw to adjust pressure and fit work, stays adjusted for repetitive use Constructed of high grade heat treated alloy steel for maximum toughness and durability Classic trigger release designed to provide maximum locking force