Irwin 1794469 Metal Combination Square with Stainless-Steel Blade, 12" BF20 Door thickness : 1-3/8" to

Door thickness : 1-3/8" to 1-3/4"

Double-chambered design restricts insects from escaping

UV- and Sunlight-Resistant

Length : 3-1/2"

Irwin 1794469 Metal Combination Square with Stainless-Steel Blade, 12" BF20 Door thickness : 1-3/8" toDurable cast zinc bodies and precision etched scales provide accurate 90 degree and 45 degree readings. Constructed with a durable cast zinc body and a rust proof stainless steel blade. No matter the job, there's an IRWIN Square to help you do it. Length: 12" Black precision etched scales Durable cast zinc body Rust proof stainless steel blade Perfect for 90 deg and 45 deg marking as well as a marking gauge for transferring measurements Easy to read