About these items:High Load-Bearing Capacity: The 2646 lbs (1200 kg) strut spring compressor is designed for robust spring compression on motorcycles, cars, ATVs, and SUVs. Alternatively, the 9921 lbs (4500 kg) compressor offers even higher load-bearing capacity for more demanding tasks.Adjustable Clamping Options: Featuring adjustable safety brackets, this spring compressor accommodates a wide range of spring sizes, with an adjustable range of 8.6 to 12.2 inches. The hydraulic version also offers versatile clasp options, fitting springs from 4.3" to 6.7".Premium Build Quality: Both compressors are crafted from high-hardness #45 steel and heat-treated for durability. The hydraulic version features a leak-proof hydraulic pump and reinforced steel components, ensuring lasting performance even under extreme pressure.Safety Features: These compressors come with multiple safety features such as secure locking mechanisms, safety tongues, and stable suspension systems, ensuring that the springs remain securely in place throughout the compression process.Versatile Applications: Ideal for shock absorber maintenance and spring disassembly, these compressors are compatible with various vehicles and include interchangeable spring holders or adjustable clasps for added flexibility.Key Differences:Model XC6455 (Manual Strut Spring Compressor):Max Load-Bearing Capacity: 2646 lbs / 1200 kgAdjustable Bracket Range: 8.6" - 12.2" (220 - 310 mm)Maximum Compression Stroke: 11" / 280 mmMaterial: 45# SteelFeatures: Locking ring, adjustable safety brackets, compatible with 3/4" socketIdeal for manual compression and maintenance of various vehicle springs.Model XC4027A (Heavy Duty Strut Spring Compressor):Max Load-Bearing Capacity: 9921 lbs / 4500 kgJaw Size Options: Gold (2.6-4.9" / 65-125 mm), Black (3.4-6.3" / 85-160 mm), Silver (4.9-8.3" / 125-210 mm)Compatible with: 22 mm / 7/8" SocketMaterial: 45# SteelFeatures: Interchangeable yokes, triple-layer safety, hex wrench fasteningIdeal for heavy-duty spring disassembly with interchangeable holders for various spring sizes.Model YH-13 (Hydraulic Coil Spring Compressor):Max Load-Bearing Capacity: 4.5 Ton Hydraulic JackRated Compression Force: 1 Ton / 1000 kgSmall Spring Clasp: 4.3" - 5.1"Large Spring Clasp: 5.5" - 6.7"Features: Stable suspension, safety chain, and H-shaped stable baseIdeal for hydraulic spring compression in various vehicle types with added safety and ease of use.Specifications:Model XC6455 (Manual Strut Spring Compressor):Item Model Number: XC6455Max. Load-Bearing Capacity: 2646 lbs / 1200 kgMax Compression Stroke: 11" / 280 mmBracket Adjustable Range: 8.6" - 12.2" / 220 - 310 mmMaterial: 45# SteelTool Box Size: 13.4 x 8.7 x 2.7 inch / 340 x 220 x 68 mmNet Weight: 10 lbs / 4.55 kgModel XC4027A (Heavy Duty Strut Spring Compressor):Model: XC4027AMax. Capacity: 9920 lbs / 4500 kgJaw Size:Silver Jaw: 2.6" - 11.8" / 65-300 mmBlack Jaw: 3.4" - 12.8" / 85-325 mmYellow Jaw: 2.9" - 12.6" / 75-320 mmCompatible with: 22 mm / 7/8" SocketMaterial: 45# SteelNet Weight: 34.8 lbs / 15.8 kgProduct Size: 20.5 x 16.7 x 4.1 inch / 520 x 424 x 105 mmModel YH-13 (Hydraulic Coil Spring Compressor):Item Model Number: YH-13Max Capacity of Hydraulic Jack: 4.5 TonRated Compression Force: 1 Ton / 1000 kgSmall Spring Clasp: 4.3" - 5.1"Big Spring Clasp: 5.5" - 6.7"Net Weight: 57.3 lbs / 26 kgProduct Size: 18.9 x 15.8 x 40.9 inch / 480 x 400 x 1040 mmPackage Contents:Model XC6455 (Manual Strut Spring Compressor):1 x Strut Spring Compressor Kit1 x Instruction ManualModel XC4027A (Heavy Duty Strut Spring Compressor):1 x Compressor Body1 x 2.6-11.8 inch Spring Holder (Gold)1 x 3.4-12.8 inch Spring Holder (Black)1 x 2.9-12.6 inch Spring Holder (Silver)6 x Retaining Bolts1 x Spacer1 x Hex WrenchModel YH-13 (Hydraulic Coil Spring Compressor):1 x Coil Strut Spring Compressor1 x Small Spring Clasp1 x Big Spring Clasp