It is used to fasten or disassemble hexagonal nuts and bolts in combustible and explosive sites, especially applicable to special positions, narrow and sunk space and the space inaccessible for adjustable wrench and open-end wrench.Forged with real material. Advantages of forging: high density, good toughness, smooth surface, clear writing, uneasy bending, uneasy rapture, even hardness and longer service life than traditional forging process.
Specification of explosion-proof 1/4x3/8 square 21-set box-packed sleeve:
1. Square sleeve: 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm;
2. Ratchet wrench: 3/8x200mm;
3. Socket extension: 3/8x75,3/8x150;
4. 3/8 Sleeve: 10mm, 11mm, 12mm, 13mm, 14mm, 17mm, 19mm;