The Sealey AK3843 Coil Spring Compressor has a 1200kg maximum capacity per pair The Sealey AK3843 is a high-security coil spring compressor with 1200kg maximum capacity per pair. The compressor features an adjustable safety bar for additional security and compressors have lower safety jaws for ultimate peace of mind Features: Use 19mm hex socket or spanner. Spring not included High-security coil spring compressor with 1200kg maximum capacity per pair Features adjustable safety bar for additional security and compressors have lower safety jaws for ultimate peace of mind Specification: Drive: 19mm Hex Model No: AK3843 Maximum Jaw Opening: 290mm