Sikkens Cetol Deck Ultra Slip Resist Natural 1L 83118 SSA4 Toledo Engineers Square 100mm Bits 12 mm drive SSA4 Toledo Engineers Square 100mm Used for producing right angles in carpentry and engineering applications Internal & External Squareness as per BS 939 Grade B An excellent range of precision steel squares that are second to none Hardened spring steel blades are permanently fixed to the stock by means of tapered self locking rivets which ensure complete rigidity Both the blade and stock are precisely ground to ensure straightness and parallelism Working edges of the blades are lapped which further enhances accuracy A groove on the inner corner of the stock aids in the clearance of burr or dirt Type: Non graduated Blade length: 100mm Drift Punches: 3 16in Minimal transformation with colour 078 Natural This one pot low build coating absorbs deeply into the timber and provides extreme UV and weather protection