B4, Qingdao High-Tech Zone, No. 17 Songyuan Road, Qingdao.
+86 13864822549
The screwdriver is made of 40cr-v alloy steel, overall hardness 48 ± 2
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The whole body is smooth and flat, not easy to rust, not easy to wear, long-term and durable.
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The spanner is constructed with chrome vanadium steel for strength and durability
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The whole body is smooth and flat, not easy to rust, not easy to wear, long-term and durable.
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Selected raw materials sand is wear-resistant, and well-chosen raw materials makes the disc sharp and durable.
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The enhanced explosion-proof net makes the disc safer. The whole disc is firmly combined, without edge collapse or debris.
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